spiral thickening

基本解释螺纹加厚

网络释义

1)spiral thickening,螺纹加厚2)upset and threaded male end,加厚的阳螺纹端3)thread ridge thickness,螺纹牙厚4)reticulate thickening,网纹加厚5)scalariform thickening,梯纹加厚6)pitted thickening,纹孔加厚

最新行业英语

行业英语