Besides, the characteristics with varying pitch and separation on hole centre of chain plate and the mechanism for uniform motion of drive is probed.
同时,对变节距特性、板孔中心分离特性以及匀速机理问题进行了探讨。
2
Both have the same pitch diameter at the top of the hole of internal threads or end of the pipe on external threads, and both have the same thread lengths or depths.
在内螺纹的孔的顶端或者外螺纹的管的端部拥有相同的中径,而且拥有相同的螺纹长度和深度。
3
The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.