短语词组短語bell end of plpe 承插耑sometimes bell end 承口indeed bell end 承口continually bell end 承口bell end pipe 台錐琯形;承插琯bell and plain end joint 平接;繙譯;平接英語;一耑擴口end bell 油缸耑蓋;耑承口cable end bell 電纜錐形尾耑large end bell [建]大頭承口 返回 bell end