短語詞組短語taper boring 圓錐形孔鏜削internal ratio taper boring 內(nèi)錐形鏜孔internal taper boring 內(nèi)錐形鏜孔PORTABLE TAPER BORING MACHINE 便攜式錐形鏜床Taper hole boring axis 鏜軸錐孔nipple taper hole boring machine [機(jī)]管接頭錐孔鏜床 返回 boring taper