derrick boom
短語詞組
- derrick k boom 吊桿
- derrick k boom rest 吊桿托架
- derrick boom rest 吊桿托架
- Derrick boom heel fittings 懸臂起重機(jī)吊桿底腳裝置
- light derrick boom 輕型吊桿
- derrick boom for dipper [機(jī)]鏟鬭吊桿
- Derrick boom for anchor 吊錨桿
- heavy derrick boom 重型吊桿重吊桿
- inboard derrick boom 艙口吊桿 返回 derrick boom