日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

hydraulic press

hydraulic press是什么意思、hydraulic press怎么讀

hydraulic press漢語翻譯

【化】 液壓機(jī); 油壓機(jī); 水壓機(jī)

hydraulic press英語解釋

名詞 hydraulic press:

  1. press in which a force applied by a piston to a small area is transmitted through water to another piston having a large area

hydraulic press例句

  1. A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.
    千斤頂，起重機(jī)通過杠桿、螺絲釘或水的壓力把重物提起的便攜式裝置
0
糾錯(cuò)