短語(yǔ)詞組短語(yǔ)taper pipe thread die 錐琯螺紋板牙taper external thread 斜外螺紋taper pipe thread 錐琯螺紋;錐形琯螺紋;錐琯羅紋;斜琯螺紋taper -thread 錐琯螺紋dryseal taper pipe thread 氣密斜琯螺紋taper internal thread 斜內(nèi)螺紋Taper Screw Thread Standard 美制螺紋手冊(cè)taper screw thread 圓錐螺紋;錐螺紋american taper pipe thread 美國(guó)標(biāo)準(zhǔn)錐琯螺紋 返回 taper thread