function driver

例句：

1. 1.The function driver is responsible for ensuring the smooth operation of the machine.
   功能驱动器负责确保机器的顺畅运行。
2. 2. The function driver must be able to handle emergency situations without losing control.
   功能驱动器必须能够处理紧急情况，而不失去控制。
3. 3. The function driver is an important component in the maintenance of machinery.
   功能驱动器是机械维护中的一个重要组成部分。