external thread
常见例句
- External thread : Threads on an external surface.
外螺纹在外表面上形成的螺纹。 - The root of the external thread or the crest of the inner thread .
大径指过外螺纹牙顶或内螺纹牙底的圆柱面直径。 - According to connection method classification (1) threaded connection valves: valve with internal thread or external thread , and pipe thread connection.
按连接方法分类（1）螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。 返回 external thread