Operation system includes steering hardware and clutch operatingdevice. The former controls the direction.
操作机构包括转向机构和离合器操纵机构，转向机构控制松土机转向；
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This paper analyzes the impact phenomenon and its calculation method in operatingdevice of HV circuit breaker, and shows the optimal mass ratio in the different situation.
The Extension consists of a length of steel tube with a coupling on one end to attach to the valve, and a coupling on the other end to attach to a handwheel or some other type of operatingdevice.