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crown block | |
construct. | 定 滑轮 |
eng.geol. | 钻井架顶部滑轮组 |
hydroel.st. | 拱顶石; 拱冠石 |
tech. | 顶部滑轮; 顶滑车; 起重机顶部滑车组; 天车 |
sheave | |
met. | 导辊; 牵引盘 |
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定〔顶部〕滑轮 | |||
钻井架顶部滑轮组 | |||
拱顶石; 拱冠石 | |||
顶部滑轮; 吊杆的顶滑车; 起重机顶部滑车组; 天车 | |||
定滑轮 | |||
English thesaurus | |||
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crn blk |
crown block sheaves : 26 phrases in 4 subjects |
Drilling | 12 |
Mechanics | 1 |
Oil / petroleum | 5 |
Technology | 8 |