tackle block

基本解釋

I finally hoisted him up with a block and tackle.
我最終用滑輪組把他吊了上去。
This paper puts forward some methods of solving mechanical efficiency of tackle-block, hoping to help students break through difficulties.
本文就有關(guān)滑輪組機械效率的解題提出一些解決方法，有助于幫助學生突破難點。
The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
鉆井用鋼絲繩通過天車和游動滑車以滑輪組的形式獲得機械上效益。
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