亚洲国产精品毛片Av不卡在线 ,国产区女主播在线观看,国产无遮挡裸体免费视频,伊在人亚洲香蕉精品区麻豆

<p id="wnvvc"></p>

<p id="wnvvc"><ins id="wnvvc"><label id="wnvvc"></label></ins></p>

<noscript id="wnvvc"></noscript>

<small id="wnvvc"><dl id="wnvvc"><small id="wnvvc"></small></dl></small>

<noscript id="wnvvc"></noscript>

<small id="wnvvc"><tbody id="wnvvc"><small id="wnvvc"></small></tbody></small>

歡迎光臨嘉善永立機械密封有限公司，公司專業(yè)生產(chǎn)國內(nèi)外泵用、船用、釜用機械密封。聯(lián)系電話：0573-84066943

產(chǎn)品詳情

YL-301機械密封

密封腔壓力：≤0.3Mpa
密封腔溫度：-20C~100℃
線速度：≤10m/Sec

介質(zhì)：水、油類、弱腐蝕性介質(zhì)

<td id="mixer"><ins id="mixer"><label id="mixer"></label></ins></td>