粗大浓稠硕大噗嗤噗嗤h,精品人妻码一区二区三区,国产av无码专区亚洲精品,日韩a片无码毛片免费看小说

家家通 | 所有行業(yè) | 所有企業(yè) 加入家家通,生意很輕松! ·免費(fèi)注冊 ·登陸家家通 ·設(shè)為首頁
當(dāng)前位置: 首頁 >> 全部產(chǎn)品 >> 通信 >> 通信終端設(shè)備 >> YOKOGAWA/橫河光時域反射儀 日本橫河光時域反射儀 AQ7275智能光纖故障測試儀 光時域反射
YOKOGAWA/橫河光時域反射儀 日本橫河光時域反射儀 AQ7275智能光纖故障測試儀 光時域反射
YOKOGAWA/橫河光時域反射儀 日本橫河光時域反射儀 AQ7275智能光纖故障測試儀 光時域反射 價格:  元(人民幣) 產(chǎn)地:本地
最少起訂量:1 發(fā)貨地:本地至全國
上架時間:2019-12-12 21:15:57 瀏覽量:18
甘肅恒天通信技術(shù)有限公司  
經(jīng)營模式:其他 公司類型:5 - 10 人
所屬行業(yè):通信終端設(shè)備 主要客戶:全國
  在線咨詢 跟我QQ洽談

聯(lián)系方式

聯(lián)系人: () 手機(jī):18298357081
電話: 傳真:
郵箱: 地址:甘肅蘭州城關(guān)區(qū)靖遠(yuǎn)路元森北新時代紫藤苑4-807

詳細(xì)介紹

\r

\r橫河(Yokogawa)AQ7275光時域反射儀<\/strong><\/span><\/span> \r<\/p>\r\r產(chǎn)品名稱:光時域反射儀(OTDR)
\r型    號:AQ7275系列
\r生產(chǎn)廠家:橫河(YOKOGAWA)
\r產(chǎn)    地:日本<\/span><\/span>
\r適用范圍:郵電工程與維修 CATV工程與維護(hù) 光纜生產(chǎn)廠家 光纖綜合布線系統(tǒng)等<\/span><\/span> \r<\/div>\r\r    隨著光纖通信日益成為現(xiàn)代通信網(wǎng)的重要支柱,對于光纖鏈路施工、測試與維護(hù)的要求也越來越高,這時選擇一款高性能的光時域反射儀就成為了保證工程質(zhì)量與線路傳輸性能的關(guān)鍵。日本橫河電機(jī)株式會社(YOKOGAWA)的**型號AQ7275 OTDR采用**技術(shù),以其出色的性能和獨(dú)特的設(shè)計深受廣大工程技術(shù)人員的青睞。不論對于傳統(tǒng)光纖的安裝、測量與報告生成還是具有良好發(fā)展前景的FTTx技術(shù),AQ7275 OTDR都是一個很好的解決方案!<\/span><\/span> \r<\/div>\r\r產(chǎn)品主要特點(diǎn):<\/b>
\r♦世界上最短的盲區(qū):<0.8m(2.7ft),滿足FTTx測量的關(guān)鍵指標(biāo)
\r♦10秒啟動時間:開機(jī)馬上測量
\r♦全自動模式:單鍵運(yùn)行(僅需設(shè)置好測量波長即可),不需要擔(dān)心其它測量設(shè)置條件
\r♦測量程序模式:按照預(yù)設(shè)好的測量程序,單鍵運(yùn)行,省時省力
\r♦設(shè)置向?qū)В合喈?dāng)于隨機(jī)操作說明,方便沒有經(jīng)驗的人員進(jìn)行操作
\r♦具有光探測與告警功能(保護(hù)OTDR功能)
\r♦內(nèi)置啞光纖:測量非常近的接頭時的特色性能(選件)
\r♦iTRON操作系統(tǒng):不易受病毒感染
\r♦小巧輕便:287×197×85mm,僅2.8kg,攜帶非常方便
\r♦更大更寬的視角:8.4英寸防反射TFT LCD彩色顯示屏(640×480 dots)
\r♦更大的內(nèi)存容量:128MB,可存儲1000條波形
\r♦USB接口:可直接連接便攜式存儲器(U盤)、打印機(jī)、計算機(jī)
\r♦強(qiáng)大的仿真軟件:可以通過PC來對曲線進(jìn)行分析、編輯以及生成與打印報告<\/span><\/span> \r<\/div>\r\r<\/span><\/span> \r<\/div>\r\r技術(shù)規(guī)格:<\/span><\/b><\/span> \r<\/div>\r\r<\/span><\/b><\/span> \r<\/div>\r\r<\/span><\/b><\/span> \r<\/div>\r\r<\/span><\/b><\/span> \r<\/div>\r\r<\/span><\/b><\/span> \r<\/div>\r\r

\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r
\r\r型號<\/span><\/span> \r<\/div>\r<\/td>\r\r\rAQ7275<\/span>系列<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r模塊<\/span><\/span> \r<\/div>\r<\/td>\r\r\r735032<\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r735033<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r測量波長<\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550nm<\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550nm<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r動態(tài)范圍<\/span><\/span> \r<\/div>\r<\/td>\r\r\r35/33dB (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r40/38dB (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r事件盲區(qū)<\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8/0.7m (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8/0.7m (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r衰減盲區(qū)<\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8m (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8m (typ.)<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r采樣分辨率<\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.05m<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r采樣點(diǎn)<\/span><\/span> \r<\/div>\r<\/td>\r\r\r50,000pts<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r數(shù)據(jù)存儲<\/span><\/span> \r<\/div>\r<\/td>\r\r\r128M<\/span>內(nèi)存,1000<\/span>條以上波形<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r穩(wěn)定光源<\/span><\/span> \r<\/div>\r<\/td>\r\r\r-5dBm<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r光功率計<\/span><\/span> \r<\/div>\r<\/td>\r\r\r-50~-5dBm<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r電池工作時間<\/span><\/span> \r<\/div>\r<\/td>\r\r\r可連續(xù)使用5~6<\/span>個小時<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r工作溫度<\/span><\/span> \r<\/div>\r<\/td>\r\r\r0<\/span>℃~<\/span>45<\/span>℃<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r貯存溫度<\/span><\/span> \r<\/div>\r<\/td>\r\r\r-20<\/span>℃~<\/span>60<\/span>℃<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r濕度<\/span><\/span> \r<\/div>\r<\/td>\r\r\r0~85%<\/span>非冷凝<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r尺寸/<\/span>重量<\/span><\/span> \r<\/div>\r<\/td>\r\r\r287×197×85mm/2.8kg<\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table>\r<\/div>\r

\r
\r<\/p>\r

\r<\/span> \r<\/p>\r

\r <\/span> \r<\/p>\r\r主機(jī)技術(shù)參數(shù)<\/span><\/strong><\/span><\/span><\/span> \r<\/div>\r\r

\r\r\r\r\r\r\r\r\r\r\r\r\r
\r\r顯屏<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r8.4英寸彩色LCD顯屏<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r距離量程<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r500m,1km,2km,5km,10km,20km,50km,100km,200km,300km,400km<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r脈寬<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r3ns,10ns,20ns,50ns,100ns,200ns,500ns,1us,2us,5us,10us,20us<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\rAC適配器<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\rAC100~240V,50/60Hz<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r電池<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r工作時間;6小時;充電時間;<5小時<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r環(huán)境條件<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r操作溫度<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0-45℃<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r存儲溫度<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r-20-60℃<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r相對濕度<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r<85%(無凝結(jié))<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r尺寸以及重量<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r287%W)×182%H) ×75%D)mm;2.8Kg<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r激光安全信息<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\rClass 1M(IEC60825-1:2201)<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r附件<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r電池、肩帶、AC充電適配器、操作說明書<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table>\r<\/div>\r\r <\/span> \r<\/div>\r\r\r\r\r
\r\r光模塊參數(shù)<\/span><\/b><\/span><\/span><\/span><\/span> \r<\/div>\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r

\r\r型號<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r波長(mm)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r動態(tài)范圍(dB)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r事件盲區(qū)(m)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r衰減肓區(qū)(m)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r備注<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r20<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1550<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r32<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r21<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1650<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r28<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r12<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r22<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r38/36<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r23<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r40/38<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r24<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1550/1625<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r38/35<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/12<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r25<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1490/1550<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r34/30/32<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8/8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r26<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550/1625<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r34/32/28<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8/12<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r27<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550/1650<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r34/32/28<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8/12<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r2端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r28<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1310/1550/1625<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r40/38/35<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8/12<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,SM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r29<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r850/1300<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r22.5/24<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r2<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/10<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r1端口,MM<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r30<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r850/1300(MM)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r22.5/24<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r2<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/10<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r2端口,MM和SM各1<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r\r1310/1550(SM)<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r34/32<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r0.8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r\r\r7/8<\/span><\/span><\/span><\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table>\r<\/div>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table>\r<\/div>\r

\r
\r<\/p>\r\r配置列表<\/span>:<\/b><\/span> \r<\/div>\r

\r
\r<\/p>\r\r

\r\r\r\r
\r<\/span><\/span> \r\r標(biāo)配<\/span><\/span> \r<\/div>\r<\/td>\r\r<\/span><\/span> \r\r主機(jī)、電池、AC<\/span>適配器/<\/span>電源線、仿真軟件、操作手冊、軟包、背帶<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r
\r<\/span><\/span> \r\r選件<\/span><\/span> \r<\/div>\r<\/td>\r\r<\/span><\/span> \r\r內(nèi)置打印機(jī)、內(nèi)置啞光纖、穩(wěn)定光源、光功率計、紅光源、外置電池(<\/span>當(dāng)安裝內(nèi)置打印機(jī)后不能使用該選件<\/span>)<\/span><\/span> \r<\/div>\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table>\r<\/div>\r<\/div>

在線詢盤/留言 請仔細(xì)填寫準(zhǔn)確及時的聯(lián)系到你!

  • 您的姓名: *
  • 聯(lián)系手機(jī): *
  • 固話電話: *
  • 聯(lián)系郵箱:
  • 所在單位:
  • 需求數(shù)量: *
  • 咨詢內(nèi)容:
  • 您要求廠家給您提供:
    規(guī)格型號 付款條件 產(chǎn)品目錄 最低訂貨量 運(yùn)送資料 提供樣本 庫存情況 包裝材料
版權(quán)聲明以上所展示的信息由會員自行提供,內(nèi)容的真實(shí)性、準(zhǔn)確性和合法性由發(fā)布會員負(fù)責(zé)。機(jī)電之家對此不承擔(dān)任何責(zé)任。 友情提醒:為規(guī)避購買風(fēng)險,建議您在購買相關(guān)產(chǎn)品前務(wù)必確認(rèn)供應(yīng)商資質(zhì)及產(chǎn)品質(zhì)量。
今日最新產(chǎn)品
PLC精品
熱門產(chǎn)品

機(jī)電之家網(wǎng) - 機(jī)電行業(yè)權(quán)威網(wǎng)絡(luò)宣傳媒體

關(guān)于我們 | 聯(lián)系我們 | 廣告合作 | 付款方式 | 使用幫助 | 會員助手 | 免費(fèi)鏈接

Copyright 2011 jdzj.com All Rights Reserved技術(shù)支持:杭州濱興科技有限公司

銷售熱線:0571-28292387  在線客服:0571-87774297   展會合作/友情連接:0571-87774298  
網(wǎng)站服務(wù)咨詢:0571-28292385   投訴熱線:400-6680-889(分機(jī)7)  
網(wǎng)站經(jīng)營許可證:浙B2-20080178


日本又黄又爽gif动态图| 男男乱J伦高HH黄暴双性| 秋霞影院午夜伦a片欧美| 999久久久免费精品国产| 久久精品国产一区二区电影| 人妻女教师耻辱の教室| 亚洲av无码一区二区乱子伦| 国产成人无码一区二区三区| 久久久久亚洲av片无码下载蜜桃| 亚洲中文字幕无码久久2021| 中文字幕奈奈美被公侵犯| 无码人妻丰满熟妇区五十路| 18禁男女爽爽爽午夜网站免费| 国产精品久久久久久久久KTV| 又大又长粗又爽又黄少妇视频| 三年片在线观看免费大全| 亚洲AV区无码字幕中文色| 欧美肥妇BWBWBWBXX小说| 一本色道久久综合亚洲精品| 亚洲国产成人精品女人久久久| 精品无码黑人又粗又大又长| 无码免费一区二区三区| 亚洲人成在线观看| 欧美极品少妇×XXXBBB| 搡女人真爽免费视频大全| 久久久精品456亚洲影院| 亚洲精品无码永久在线观看| 精品黑人一区二区三区| 再灬再灬再灬深一点舒服| 亚洲av成人无码网天堂| 十七岁在线观看免费高清完整版 | 国产精品视频一区二区三区不卡 | 无码 人妻 在线 视频| 免费无码又爽又高潮视频| 新狼窝色AV性久久久久久| 最近日本mv字幕免费观看视频| 女人被躁到高潮嗷嗷叫游戏| 处破痛哭A√18成年片免费| h女主从小被c到大1v1| 啊灬啊灬啊灬快灬高潮了| 意大利电影巜丰满的欲妇|