micrometric regulating screw

例句：

1. 1. Themicrometric regulating screw is usedto adjust the size of the machine parts.
   微米级调节螺丝用于调整机器零件的大小。
2. 2. The engineer used a micrometricregulating screw to make the machine moreprecise.
   工程师使用微米级调节螺丝使机器更加精确。
3. 3. The micrometric regulating screw was used to ensure that themachine worked smoothly.
   微米级调节螺丝被用来确保机器顺畅运行。