derrick block
短語(yǔ)詞組
- derrick head block 吊桿頭滑車(chē)
- derrick heel block 吊桿底導(dǎo)向滑車(chē);吊桿座滑車(chē)
- derrick k block 提升滑輪
- derrick head span block 吊桿頭跨繩滑車(chē)
- derrick head purchase block 上吊貨滑車(chē)
- derrick cargo lead block 吊貨索導(dǎo)向滑車(chē)
- derrick head cargo block 吊桿頭起貨滑車(chē);吊桿頭起重滑車(chē);上吊貨滑車(chē)
- derrick head shipment block 吊桿頭起貨滑車(chē)
- cargo derrick heel lead block 吊貨桿座導(dǎo)索滑車(chē) 返回 derrick block