短語詞組短語oil drilling -rig electric drive system 石油鑽機(jī)電傳動(dòng)系統(tǒng)oil -drilling rig mechanic 石油鑽探鑽機(jī)技工的oil consumption per rig -month 每鑽機(jī)臺(tái)月耗機(jī)油量;每鑽機(jī)月消耗機(jī)油Oil -film bearing test rig 油膜軸承實(shí)騐臺(tái) 返回 oil-rig