短語(yǔ)詞組短語(yǔ)offshore e oil drilling 海上石油鑽探offshore oil drilling platform 近海石油鑽井平臺(tái);海洋石油平臺(tái)offshore oil drilling andproduction platform 海上鑽井採(cǎi)油平臺(tái)offshore oil well drilling depth 海上油井鑽井深度 返回 offshore oil drilling