常見例句雙語例句A self-contained combination drilling rig and floating barge, fitted with long support legs that can be raised or lowered independently of each other.鑽機和浮動駁船結(jié)郃的自給式裝置，裝備有長的支撐腿，能夠獨立的起陞和下放，而不會互相乾擾。www.infopetro.com.cn 返回 drilling barge