性做久久久久久免费观看,日韩国产成人精品视频,无码不卡中文字幕av,国产嫖妓一区二区三区无码

新聞中心

News

行業(yè)資訊

當(dāng)前位置: 網(wǎng)站首頁 > 新聞中心 > 行業(yè)資訊
  • 液壓扳手組成、分類、特點(diǎn)
  • 本站編輯:杭州雷恩液壓設(shè)備制造有限公司發(fā)布日期:2018-09-20 19:21 瀏覽次數(shù):

 液壓扳手由動(dòng)力頭、工作頭、液壓扳手專用泵以及高壓油管,快速接頭組成。通過高壓油管,液壓泵將動(dòng)力傳輸?shù)焦ぷ黝^,驅(qū)動(dòng)工作頭旋轉(zhuǎn)螺母的擰緊或松開。

The hydraulic wrench consists of the power head, the working head, the special pump of the hydraulic wrench and the high pressure oil pipe, and the quick joint. Through the high-pressure oil pipe, the hydraulic pump transfers the power to the working head and drives the screw nut of the working head to tighten or loosens.

客服電話:
0571-85855333
17348543556

QQ在線溝通:
立即在線溝通