tackle pulley的意思|示意
美 / ˈtækl ˈpʊli /
英 / ˈtækəl ˈpʊli /
滑车组，复滑车
tackle pulley相关短语
1、 pulley tackle 滑车
tackle pulley相关例句
The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
钻井用钢丝绳通过天车和游动滑车以滑轮组的形式获得机械上效益。