mast derrick
短語詞組
- mast or derrick 井架
- guyed -mast derrick [機(jī)]把桿起重機(jī)
- mast -shaped derrick 桅桿式井架
- single -mast derrick 單桅桿鑽塔
- the single -mast derrick 單桅桿鑽塔
- derrick mast 扒桿;起重桅;吊貨桿桅;起重把桿
- pole derrick derrick mast 起重扒桿
- man -riding derrick mast 乘人扒桿
- derrick or mast 井架或便攜式井架 返回 mast derrick