derrick mast
短語(yǔ)詞組
- derrick or mast 井架或便攜式井架
- pole derrick derrick mast 起重扒桿
- derrick k mast 扒桿
- derrick kingpost lifting mast 起重桅桿
- man -riding derrick mast 乘人扒桿
- mast derrick 桅式吊車(chē)
- guyed -mast derrick [機(jī)]把桿起重機(jī)
- single -mast derrick 單桅桿鉆塔
- the single -mast derrick 單桅桿鉆塔 返回 derrick mast