crank locking frame

例句：

1. 1.The car's crank locking frame is easy to adjust.
   这辆车的曲柄锁定框架很容易调整。
2. 2. The technician had to disassemble the crank locking frame to replace the battery.
   技术人员不得不拆开曲柄锁定框架来更换电池。
3. 3.The crank locking frame is designed to prevent the engine from overheating.
   曲柄锁定框架的设计是为了防止发动机过热。