短語詞組短語drill floor tuggers 鉆臺卷揚機drill floor aft 鉆臺船尾combined drill floor 鉆臺drill floor layout 鉆臺布局workover drill floor 修井鉆臺drill floor design 鉆臺設計right support of drill floor 鉆臺右只架Cantilever port side drill floor 懸臂梁左邊的鉆臺left support of drill floor 鉆臺左支架Floor Drill Presses 地板鉆床 返回 drill floor