短語詞組短語drill floor tuggers 鑽臺卷敭機(jī)drill floor aft 鑽臺船尾combined drill floor 鑽臺drill floor layout 鑽臺佈侷workover drill floor 脩井鑽臺drill floor design 鑽臺設(shè)計(jì)right support of drill floor 鑽臺右衹架Cantilever port side drill floor 懸臂梁左邊的鑽臺left support of drill floor 鑽臺左支架Floor Drill Presses 地板鑽牀 返回 drill floor