亚洲国产精品嫩草影院_久久伊人蜜桃av一区二区_色哟哟在线观看一区二区三区_色域天天综合网_亚洲欧美国产高清_一区二区三区四区亚洲_午夜一区二区三区视频_国产精品羞羞答答xxdd_欧美自拍偷拍一区_中文字幕一区在线观看_成人午夜免费视频_一区二区三区日韩在线观看_5月丁香婷婷综合_夜夜嗨av一区二区三区中文字幕 _国产精品久久久久毛片软件_欧美国产精品一区二区三区

咨詢電話:13699145010
Products產(chǎn)品中心
首頁(yè) > 產(chǎn)品中心 > 電壓擊穿試驗(yàn)儀 > 耐電壓擊穿試驗(yàn)儀 > 絕緣固體的耐介電強(qiáng)度測(cè)試設(shè)備/耐壓設(shè)備/耐電壓儀器

絕緣固體的耐介電強(qiáng)度測(cè)試設(shè)備/耐壓設(shè)備/耐電壓儀器

簡(jiǎn)要描述:ZJC-150KV絕緣固體的耐介電強(qiáng)度測(cè)試設(shè)備/耐壓設(shè)備/耐電壓儀器主要適用于固體絕緣材料如電線套管、樹脂和膠、浸漬纖維制品、云母及其制品、塑料、薄膜復(fù)合制品、陶瓷和玻璃等介質(zhì)在工頻電壓或直流電壓下?lián)舸?qiáng)度和耐電壓時(shí)間的測(cè)試;采用計(jì)算機(jī)控制,可對(duì)試驗(yàn)過(guò)程中的各種數(shù)據(jù)進(jìn)行快速、準(zhǔn)確的采集、處理,并可存取、顯示、打印。

  • 產(chǎn)品型號(hào):
  • 廠商性質(zhì):生產(chǎn)廠家
  • 更新時(shí)間:2025-02-11
  • 訪  問(wèn)  量:2621

詳細(xì)介紹

品牌AIRTIMES/中航時(shí)代

ZJC-20KV絕緣固體的耐介電強(qiáng)度測(cè)試設(shè)備/耐壓設(shè)備/耐電壓儀器

ZJC-50KV絕緣固體的耐介電強(qiáng)度測(cè)試設(shè)備/耐壓設(shè)備/耐電壓儀器

ZJC-100KV

一、應(yīng)用范圍:
First, the scope of application:

     ZJC-150KV主要適用于固體絕緣材料如電線套管、樹脂和膠、浸漬纖維制品、云母及其制品、塑料、薄膜復(fù)合制品、陶瓷和玻璃等介質(zhì)在工頻電壓或直流電壓下?lián)舸?qiáng)度和耐電壓時(shí)間的測(cè)試;采用計(jì)算機(jī)控制,可對(duì)試驗(yàn)過(guò)程中的各種數(shù)據(jù)進(jìn)行快速、準(zhǔn)確的采集、處理,并可存取、顯示、打印。
ZJC-150KV is mainly applicable to solid insulating materials such as wire tube, resin and rubber, impregnated fiber products, mica products, plastic film, and composite products, ceramic and glass medium in the frequency of the voltage or DC voltage breakdown strength and voltage withstand test time; using computer control, the various test data process the fast and accurate data acquisition, processing, and storage, display and print.
二、滿足標(biāo)準(zhǔn):
Two, meet the standard:

1、GB1408.1-2006《絕緣材料電氣強(qiáng)度試驗(yàn)方法》
1, GB1408.1-2006 "electrical strength of insulating materials test method"
2、GB1408.2-2006《絕緣材料電氣強(qiáng)度試驗(yàn)方法 
2, "GB1408.2-2006 electrical strength of insulating materials test methods
        第2部分:對(duì)應(yīng)用直流電壓試驗(yàn)的附加要求》
Part second: Additional requirements for tests using direct voltage "
3、GB/T1695-2005《硫化橡膠工頻擊穿電壓強(qiáng)度和耐電壓的測(cè)定方法》
3, GB/T1695-2005 "vulcanized rubber power frequency breakdown voltage strength and resistance to voltage measurement method"
4、GB/T3333 電纜紙工頻電壓擊穿試驗(yàn)方法
4, GB/T3333 cable paper power frequency voltage breakdown test method
5、HG/T 3330絕緣漆漆膜擊穿強(qiáng)度測(cè)定法
5, HG/T 3330 insulation paint film breakdown strength test method
6、GB12656 電容器紙工頻電壓擊穿試驗(yàn)方法
6, GB12656 capacitor paper power frequency voltage breakdown test method
7、ASTM D149《固體電絕緣材料工業(yè)電源頻率下的介電擊穿電壓和介電強(qiáng)度的試驗(yàn)方法》
7. D149 ASTM test method for dielectric breakdown voltage and dielectric strength of solid electrical insulating material industrial power frequency
三、主要技術(shù)指標(biāo):
Three, the main technical indicators:

1、輸入電壓        AC220V   50Hz 
1, the input voltage AC220V 50Hz
2、輸出電壓:      AC:0~150kV; DC:0~150kV
2, output voltage: AC:0 DC:0 ~ 150kV ~ 150kV;
3、輸出功率:      15kVA
3, output power: 15kVA
4、測(cè)量范圍:      AC15~150kV; DC15~150kV
4, measuring range: AC15 DC15 ~ 150kV ~ 150kV;
5、測(cè)量誤差:      ≤ 2%
5, measurement error: = 2%
6、升壓速率:      1kV/s~5kV/s
6, pressure rate: 1kV/s ~ 5kV/s
7、耐壓時(shí)間:      0~4H
7, pressure time: 0 ~ 4H
8、漏電流          1~30 mA可由計(jì)算機(jī)軟件自由進(jìn)行設(shè)定
8, the leakage current 1 ~ 30 mA can be set free by computer software
9、電源            交流220V±10%的單相交流電壓和50Hz±1%的頻率
9, the power AC 220V + 10% single-phase AC voltage and frequency of 50Hz + 1%
10、試驗(yàn)環(huán)境溫度: 15 ~ 30℃,相對(duì)濕度:0~85%能夠穩(wěn)定運(yùn)行。
10, the test environment temperature: 15 ~ 30 degrees, relative humidity: 0 ~ 85% can be stable operation.
11、外形尺寸長(zhǎng)×寬×高:1980mm×1220 mm×1750mm(參考)
11, appearance size length * width * height: 1980mm * 1220 mm * 1750mm (Reference)
12、設(shè)備自重:     350Kg(參考)
12, equipment weight: 350Kg (Reference)
13、接地要求儀器需要單獨(dú)接地,接地附合國(guó)家標(biāo)準(zhǔn)要求,金屬棒深埋地下至少要1.5米以下
13, grounding requirements instruments need to be grounded alone, grounding with the national standard requirements, the metal rod buried at least 1.5 meters below the depth
四、結(jié)構(gòu)原理及性能特點(diǎn):
Four, structural principle and performance characteristics:

1、主要由:升壓系統(tǒng)(高壓變壓器)、測(cè)量系統(tǒng)、A/D轉(zhuǎn)換器、放電系統(tǒng)、電極、油箱、電極定位架、計(jì)算機(jī)數(shù)據(jù)處理系統(tǒng)、軟件等組成;
1, mainly by: boost system (high voltage transformer), measurement system, A/D converter, discharge system, electrode, fuel tank, electrode positioning frame, computer data processing system, software and so on;
2、計(jì)算機(jī)---A/D轉(zhuǎn)換器---測(cè)量控制系統(tǒng)---調(diào)壓裝置----升壓變壓器-----試樣;
2, the computer ---A/D converter --- measuring control system --- voltage regulator -- the test sample;
3、高壓變壓器主要產(chǎn)生試樣所需的直流電壓;
3, high voltage transformers are mainly generated by the DC voltage of the sample;
4、調(diào)壓器用于調(diào)節(jié)升壓變壓器輸入端電壓以產(chǎn)生高壓所需的輸入電壓;
4, the regulator is used to adjust the input voltage of the boost transformer to generate the required input voltage;
5、電壓測(cè)量主要是從高壓變壓器測(cè)量端測(cè)量,高壓變壓器測(cè)量端和高壓端是線性的;
5, voltage measurement is mainly from the measurement of high voltage transformer measurement, high voltage transformer measurement and high pressure side is linear;
6、放電系統(tǒng)在試驗(yàn)做完以后放電,以免產(chǎn)生放電對(duì)人身的危害;
6, discharge system in the experiment after the discharge, so as to avoid discharge on the human body harm;
五、計(jì)算機(jī)系統(tǒng)及軟件包
Five, computer systems and software package

1、試驗(yàn)軟件是我公司研發(fā)的功能強(qiáng)大、操作簡(jiǎn)單、顯示直觀的試驗(yàn)軟件系統(tǒng)。
1, the test software is my company's latest research and development of powerful, easy to operate, display intuitive test software system.
2、采用計(jì)算機(jī)控制通過(guò)人機(jī)對(duì)話方式,完成對(duì)絕緣介質(zhì)工頻電壓擊穿,工頻耐壓試驗(yàn)。
2, the use of computer control through the man-machine dialogue, the completion of the insulation dielectric power frequency voltage breakdown, power frequency withstand voltage test.
3、試驗(yàn)過(guò)程中可動(dòng)態(tài)繪制出試驗(yàn)曲線,試驗(yàn)的曲線可以多種顏色疊加對(duì)比,局部放大,曲線上任意一段可進(jìn)行區(qū)域放大分析;
3, the test process can be dynamically drawn out of the test curve, the curve can be a variety of color overlay contrast, local amplification, curve on any section of the region can be amplified analysis;
4、可對(duì)試驗(yàn)數(shù)據(jù)進(jìn)行編輯修改,靈活適用;
4, the test data can be edited and modified, flexible;
5、試驗(yàn)條件及測(cè)試結(jié)果等數(shù)據(jù)可自動(dòng)存儲(chǔ);
5, test conditions and test results and other data can be stored automatically;
6、試驗(yàn)報(bào)告格式靈活可變,適用于不同用戶的不同需求;
6, test report format flexible, applicable to different needs of different users;
7、可對(duì)一組試驗(yàn)中曲線數(shù)據(jù)的有效與否進(jìn)行人為選定;
7, can be used for a group of test data in the curve of the effective or not artificially selected;
8、試驗(yàn)結(jié)果數(shù)據(jù)可導(dǎo)入EXECL,WORD文檔編輯;
8, the results of the test data can be imported into WORD, EXECL document editing;
9、軟件設(shè)備人員管理功能,試驗(yàn)人員可設(shè)置自己的試驗(yàn)項(xiàng)目和試驗(yàn)參數(shù),設(shè)置自己的試驗(yàn)內(nèi)容后別人無(wú)法進(jìn)入程序;
9, software equipment personnel management function, test personnel can set up their own test items and test parameters, set up their own test content after others can not enter the program;
10、過(guò)電流保護(hù)裝置有足夠的靈敏度,能夠保證試樣擊穿時(shí)在0.1S內(nèi)切斷電源;
10, over current protection device with sufficient sensitivity, to ensure that the sample breakdown in the 0.1S cut off the power supply;
11、儀器運(yùn)行的持久性: 儀器可連續(xù)運(yùn)行使用,不需為保護(hù)儀器而定期停機(jī)。
11, the persistence of the operation of the instrument: the instrument can be used continuously, without the need for the protection of equipment and regular downtime.
六、安全說(shuō)明:
Six, safety instructions:

1、設(shè)備要安裝單獨(dú)的保護(hù)地線。接保護(hù)地線,主要是減少試樣擊穿時(shí)對(duì)周圍產(chǎn)生的較強(qiáng)的電磁干擾。也可避免控制計(jì)算機(jī)失控。
1, equipment to install a separate protective ground. The protective earth wire is mainly to reduce the strong electromagnetic interference generated by the breakdown of the sample. Can also avoid the control of computer control.
2、直流試驗(yàn)放電報(bào)警功能:在設(shè)備做完直流試驗(yàn)時(shí),當(dāng)開啟試驗(yàn)門時(shí)設(shè)備會(huì)自動(dòng)報(bào)警,直至使用設(shè)備上的放電裝置放電后報(bào)警會(huì)自動(dòng)取消。
2, DC test discharge alarm function: in the device to complete the DC test, when the opening test door equipment will automatically alarm, until the use of equipment on the discharge device discharge alarm will automatically cancel.
3、試驗(yàn)放電裝置,隨主機(jī)為一體化,改進(jìn)了以往單獨(dú)配備一根放電桿的功能。
3, test discharge device, with the host for the integration, improved in the past with separate a discharge pole function.
4、該試驗(yàn)設(shè)備的電路設(shè)有多項(xiàng)保護(hù)措施,主要有:過(guò)流保護(hù)、失壓保護(hù)、漏電保護(hù)、短路保護(hù)、直流試驗(yàn)放電報(bào)警等。
4, the circuit of the test equipment is equipped with a number of protective measures, mainly include: over current protection, voltage loss protection, leakage protection, short-circuit protection, DC test discharge alarm, etc..
5、安全保護(hù):
5, safety protection:
(1)門限位保護(hù):不關(guān)門,即使通電點(diǎn)實(shí)驗(yàn)開始,設(shè)備無(wú)任何反應(yīng),軟件有:安全門未關(guān)閉提示。
(1) threshold protection: not to close the door, even though the power point of the experiment, the device has no response, the software is: the security door is not closed tips.
(2)電壓歸零保護(hù):如果在實(shí)驗(yàn)過(guò)程中,突然斷電,下次開機(jī)后,會(huì)自動(dòng)回到零位,保證初始電壓為在零位
(2) zero voltage protection: if in the experimental process, suddenly power off, the next boot, will automatically return to zero, to ensure that the initial voltage is zero.
(3)終止電壓保護(hù):可以通過(guò)軟件設(shè)定終止電壓,保證在升壓過(guò)程中如果出現(xiàn)異常升到的電壓后,自動(dòng)終止并歸零
(3) termination voltage protection: the software can be set to terminate the voltage, to ensure that in the process of boosting if the abnormal rise to the specified voltage, the automatic termination and return to zero
(4)高壓機(jī)械限位:如果軟件系統(tǒng)失去控制,電壓繼續(xù)往上升,到高壓限位后自動(dòng)歸零如果在擊穿后未判停,通過(guò)過(guò)流保護(hù)器采集數(shù)據(jù)保證電壓自動(dòng)歸零有高壓指示燈,通過(guò)觀察指示燈的狀態(tài)來(lái)判斷實(shí)在升壓還是在零位如果長(zhǎng)時(shí)間做實(shí)驗(yàn),為保證設(shè)備的良好運(yùn)行,設(shè)備留有變壓器排氣口,
(4) high pressure mechanical limit: if you lose control of the software system, the voltage to continue to rise, to the high pressure limit after auto zero if not to stop in after the breakdown of the overcurrent protection device to ensure the voltage data acquisition automatic zero pressure indicator, by observing the indicator of the state to determine the real boost or in zero if long time to do the experiment, in order to ensure a good operation of equipment, equipment have transformer outlet,

5、安全保護(hù):
5, safety protection:
(1)門限位保護(hù):不關(guān)門,即使通電點(diǎn)實(shí)驗(yàn)開始,設(shè)備無(wú)任何反應(yīng),軟件有:安全門未關(guān)閉提示。
(1) threshold protection: not to close the door, even though the power point of the experiment, the device has no response, the software is: the security door is not closed tips.
(2)電壓歸零保護(hù):如果在實(shí)驗(yàn)過(guò)程中,突然斷電,下次開機(jī)后,會(huì)自動(dòng)回到零位,保證初始電壓為在零位
(2) zero voltage protection: if in the experimental process, suddenly power off, the next boot, will automatically return to zero, to ensure that the initial voltage is zero.
(3)終止電壓保護(hù):可以通過(guò)軟件設(shè)定終止電壓,保證在升壓過(guò)程中如果出現(xiàn)異常升到的電壓后,自動(dòng)終止并歸零
(3) termination voltage protection: the software can be set to terminate the voltage, to ensure that in the process of boosting if the abnormal rise to the specified voltage, the automatic termination and return to zero
(4)高壓機(jī)械限位:如果軟件系統(tǒng)失去控制,電壓繼續(xù)往上升,到高壓限位后自動(dòng)歸零如果在擊穿后未判停,通過(guò)過(guò)流保護(hù)器采集數(shù)據(jù)保證電壓自動(dòng)歸零有高壓指示燈,通過(guò)觀察指示燈的狀態(tài)來(lái)判斷實(shí)在升壓還是在零位如果長(zhǎng)時(shí)間做實(shí)驗(yàn),為保證設(shè)備的良好運(yùn)行,設(shè)備留有變壓器排氣口,保證變壓器的良好運(yùn)行,增長(zhǎng)使用壽命如果在實(shí)驗(yàn)中,試樣有異味或者出現(xiàn)燃燒和冒煙現(xiàn)象,可以通過(guò)排風(fēng)系統(tǒng)進(jìn)行排除。
(4) high pressure mechanical limit: if you lose control of the software system, the voltage to continue to rise, to the high pressure limit after auto zero if not to stop in after the breakdown of the overcurrent protection device to ensure the voltage data acquisition automatic zero pressure indicator, by observing the indicator of the state to determine the real boost or in zero if long time to do the experiment, in order to ensure a good operation of equipment, equipment have transformer outlet, to ensure the good performance of the transformer, and increase the service life of if in the experiment, samples or the smell of burning and smoke phenomenon, through the exhaust system were excluded.
(5)獨(dú)立接地保護(hù)
(5) independent earth protection
(6)短路保護(hù)
(6) short circuit protection
(7)軟件誤操作保護(hù)
(7) software error protection
(8)漏電保護(hù)
(8) leakage protection
(9)實(shí)驗(yàn)結(jié)束放電保護(hù)
(9) experimental end discharge protection
七、  主要配置:
Seven, the main configuration:

1、主機(jī)           1臺(tái)
1, the host 1 Taiwan
2、升壓裝置       1套
1 sets of 2, booster
3、放電裝置       1套
1 sets of 3, discharge device
4、測(cè)量系統(tǒng)       1套
4, 1 sets of measurement system
5、電壓調(diào)節(jié)裝置   1套
5, 1 sets of voltage regulator
6、數(shù)據(jù)處理系統(tǒng)   1套
6, the data processing system 1 sets
7、計(jì)算機(jī)      1臺(tái)
7, the computer 1 Taiwan
8、打印機(jī)         1臺(tái)
8, printer 1 Taiwan
9、A/D轉(zhuǎn)換器      1個(gè)
9, A/D converter 1
10、控制軟件      1套
10, control software 1 sets
11、試驗(yàn)電極      1套
1 sets of 11, the test electrode
12、放電棒        1只
12, rod 1
13、油箱          1個(gè)
13, the tank 1
14、試驗(yàn)臺(tái)        1個(gè)
14 test 1
15、安全防護(hù)系統(tǒng)  1套
15, 1 sets of safety protection system

產(chǎn)品咨詢

留言框

  • 產(chǎn)品:

  • 您的單位:

  • 您的姓名:

  • 聯(lián)系電話:

  • 常用郵箱:

  • 省份:

  • 詳細(xì)地址:

  • 補(bǔ)充說(shuō)明:

  • 驗(yàn)證碼:

    請(qǐng)輸入計(jì)算結(jié)果(填寫阿拉伯?dāng)?shù)字),如:三加四=7
北京中航時(shí)代儀器設(shè)備有限公司
  • 聯(lián)系人:石磊
  • 地址:北京市房山區(qū)經(jīng)濟(jì)技術(shù)開發(fā)區(qū)1號(hào)
  • 郵箱:zhsdyq@163.com
  • 傳真:86-010-80224846
關(guān)注我們

歡迎您關(guān)注我們的微信公眾號(hào)了解更多信息

掃一掃
關(guān)注我們
版權(quán)所有 © 2025 北京中航時(shí)代儀器設(shè)備有限公司 All Rights Reserved    備案號(hào):京ICP備14029093號(hào)-1    sitemap.xml
管理登陸    技術(shù)支持:化工儀器網(wǎng)    
亚洲国产精品嫩草影院_久久伊人蜜桃av一区二区_色哟哟在线观看一区二区三区_色域天天综合网_亚洲欧美国产高清_一区二区三区四区亚洲_午夜一区二区三区视频_国产精品羞羞答答xxdd_欧美自拍偷拍一区_中文字幕一区在线观看_成人午夜免费视频_一区二区三区日韩在线观看_5月丁香婷婷综合_夜夜嗨av一区二区三区中文字幕 _国产精品久久久久毛片软件_欧美国产精品一区二区三区

      久久精品无码一区二区三区| 欧美精品成人一区二区三区四区| 波多野结衣亚洲| 久久99国内精品| 久久精品国产久精国产| 久久精品国产免费看久久精品| 免费国产亚洲视频| 久久99精品国产麻豆婷婷洗澡| 极品少妇xxxx精品少妇| 国产精品一级黄| 99精品视频在线观看免费| 91麻豆高清视频| 久久av一区二区三区亚洲| 欧美日韩在线高清| 在线电影看在线一区二区三区| 91福利区一区二区三区| 欧美一区二区免费| 国产人久久人人人人爽| 国产精品成人在线观看| 亚洲主播在线播放| 精彩视频一区二区三区| 91在线码无精品| 日本成人黄色| 欧美系列在线观看| 久久综合久久综合九色| 亚洲日本免费电影| 蜜桃av一区二区在线观看| 成人免费视频一区| 蜜桃999成人看片在线观看| 色综合久久久久久久久| 日韩欧美www| 亚洲色图在线播放| 久久精品国产**网站演员| 国产成人超碰人人澡人人澡| 99视频在线| 亚洲色图自拍| 久久综合给合久久狠狠狠97色69| 综合久久久久久| 极品美女销魂一区二区三区免费 | www..com久久爱| 久久影视中文粉嫩av| 在线一区二区三区四区| 久久综合色8888| 五月天激情综合网| 成人动漫一区二区| 亚洲国产精品综合| 精品国产第一区二区三区观看体验 | 国产精品色一区二区三区| 三级欧美在线一区| 91免费精品国自产拍在线不卡| 日韩精品不卡| 26uuu精品一区二区| 亚洲一区二区免费视频软件合集| 欧美三级中文字| 综合电影一区二区三区 | 日韩经典一区二区| 99视频在线播放| 欧美日韩国产小视频| 国产精品色哟哟网站| 极品瑜伽女神91| 六月婷婷久久| 91精品国产综合久久久蜜臀图片 | 一区二区理论电影在线观看| 成人午夜伦理影院| 色综合久久久久久久久| 中文字幕不卡的av| 国产乱子轮精品视频| 日本a级片久久久| 欧美国产精品一区二区| 狠狠色丁香婷婷综合久久片| 日本精品免费| 亚洲国产高清不卡| 国产v综合v亚洲欧| 欧美在线视频全部完| 亚洲老司机在线| 超碰97人人在线| 欧美成人欧美edvon| 久久福利资源站| 日韩一二三区不卡在线视频| 中文字幕不卡在线| 91一区二区在线| 日韩一区二区三区电影在线观看| 人人精品人人爱| 日韩欧美精品在线不卡| 国产精品免费视频网站| 99精品久久只有精品| 制服.丝袜.亚洲.中文.综合| 蜜臀av一级做a爰片久久| 一区二区三区免费看| 亚洲最大成人综合| 欧美日韩精品久久| 亚洲欧美在线aaa| 好吊色欧美一区二区三区视频| 精品日韩一区二区三区| 国产精品99久久久久久似苏梦涵 | 日本在线播放不卡| 中文字幕日本不卡| 国产精品一区而去| 久久精品亚洲一区二区三区浴池| 国产91精品一区二区麻豆网站| 欧美日韩国产色站一区二区三区| 日韩国产欧美三级| 一本久久a久久精品亚洲| 秋霞电影网一区二区| 日本国产一区二区| 日日噜噜夜夜狠狠视频欧美人| 夜夜春亚洲嫩草影视日日摸夜夜添夜| 亚洲曰韩产成在线| 亚洲资源视频| 激情六月婷婷久久| 欧美一区二区三区视频免费 | 999日本视频| 国产精品每日更新| 久久精品日产第一区二区三区乱码 | 国产91富婆露脸刺激对白| 欧美一区二区视频网站| 国产成人久久精品77777最新版本| 欧美一区二区大片| 91亚洲资源网| 亚洲欧洲另类国产综合| 午夜精品短视频| 久久精品国产77777蜜臀| 欧美一级片免费看| 91啪九色porn原创视频在线观看| 日本一区二区三区四区| 裸模一区二区三区免费| 性久久久久久久| 欧美人牲a欧美精品| www.亚洲免费av| 亚洲视频资源在线| 欧洲日韩一区二区三区| 国产成人8x视频一区二区| 久久精品人人做人人爽人人| 玛丽玛丽电影原版免费观看1977| 五月婷婷综合网| 欧美精品三级在线观看| 91小视频免费看| 亚洲制服丝袜在线| 欧美日韩日日夜夜| 成人激情av| 日本大胆欧美人术艺术动态| 日韩一区二区免费高清| 精品欧美一区二区在线观看视频| 丝袜美腿亚洲一区二区图片| 日韩一区二区三区精品视频| 国产原创精品| 免费观看久久久4p| 精品福利一二区| 四虎影院一区二区三区| 国产成人精品免费网站| 1区2区3区精品视频| 欧美日韩一卡二卡三卡| 国产欧美韩日| 国产在线精品一区二区三区不卡 | 国产欧美韩日| 国产综合色精品一区二区三区| 久久蜜桃av一区精品变态类天堂 | 亚欧洲精品在线视频免费观看| 国产一区二区精品久久99| 亚洲欧洲av在线| 欧美美女喷水视频| 久久99精品久久久久久久久久 | 国产在线资源一区| 精品一区二区三区视频| 亚洲视频图片小说| 日韩一级黄色大片| 亚洲欧美日韩国产yyy| 91日韩一区二区三区| 麻豆成人免费电影| 亚洲色图视频网站| 日韩精品专区在线影院重磅| 三区精品视频观看| 91在线免费看片| 国产麻豆一精品一av一免费 | 欧美精品18+| 日本视频一区二区不卡| 99久久综合国产精品| 人妖欧美一区二区| 一区二区欧美精品| 久久婷婷国产综合国色天香| 欧洲精品在线观看| 欧美福利精品| av电影成人| 国产黄色精品视频| 日本在线播放一区二区三区| 亚洲图片另类小说| 国产亚洲精品资源在线26u| 911国产精品| 日本精品视频一区二区| 欧美亚洲精品日韩| 国产在线视频欧美一区二区三区| 成人一区二区三区视频 | 久久本道综合色狠狠五月| av网站免费线看精品| 国产一区二区三区久久悠悠色av| 亚洲aⅴ怡春院| 亚洲精品一二三| 国产精品国产成人国产三级| 久久美女艺术照精彩视频福利播放| 欧美电影一区二区|