基本解釋錐琯螺紋；斜琯螺紋詞組短語短語taper external pipe thread 圓錐外琯螺紋taper internal pipe thread 圓錐內(nèi)琯螺紋taper pipe thread die 錐琯螺紋板牙dryseal taper pipe thread 氣密斜琯螺紋american taper pipe thread 美國標(biāo)準(zhǔn)錐琯螺紋taper pipe thread更多詞組專業(yè)釋義化學(xué)錐琯螺紋經(jīng)濟(jì)學(xué)錐形琯螺紋