gear pin diameter

例句：

1. 1.The gear pin diameter of the gearbox is 25 mm.
   齿轮箱的齿轮销直径为25毫米。
2. 2. The gear pin diameter affects the performance of the gearbox.
   齿轮销直径影响齿轮箱的性能。
3. 3.The gear pin diameter was measured using a micrometer.
   使用千分尺测量了齿轮销直径。