block and tackle
短语词组
- block k and tackle 滑輪組
- chain block and tackle 倒鏈滑車組
- block and tackle arrangement 起下用滑車系統
- block and tackle system 滑輪組
- block -and-tackle 複滑車;滑車組
- block and tackle tacke block 繩子或其他柔性材料與滑輪相組郃的機件
- chain and tackle block 鏈條起重滑車 返回 block and tackle