male screw

• 外螺纹

male screw的用法和样例：

例句

1. The male and female joint confines the gasket O.D and I.D.
   这种外螺纹和内螺纹连接限制了垫圈的外径和内径。
2. By using the reducers it is possible to obtain the diameters of the male or female type hub, as required, either larger or smaller.
   利用螺孔减缩器可以根据需要随时改变外螺纹或内螺纹的直径。