gear processing

例句：

1. 1. The engineer was tasked with the complex gear processing project.
   工程师被指派负责这个复杂的齿轮加工项目。
2. 2.The gear processing process involves cutting and shaping metal parts to fit together.
   齿轮加工过程包括切割和成型金属部件以使其能够配合在一起。
3. 3. The gear processing equipment is essential for the manufacturing industry.
   齿轮加工设备对于制造业来说至关重要。