短语词组短語BENT NOSE PIPE WRENCHES 鷹嘴琯子鉗Bent -pipe system 貝爾電話網路系統bent -pipe 彎琯bent drill pipe [油氣]彎鑽杆return bent pipe 廻彎琯Bent pipe factory 彎琯廠returnj bent pipe 廻彎琯cold -bent pipe 冷彎鋼琯 返回 bent pipe