基本释义:

梯纹加厚

网络释义

1)scalariform thickening,梯纹加厚

2)spiral thickening,螺纹加厚

3)reticulate thickening,网纹加厚

4)pitted thickening,纹孔加厚

5)upset and threaded male end,加厚的阳螺纹端

6)trapezoidal thread processing difficulties,梯形螺纹加工难点