1、
The crank handle is designed as detachable to minimise the dimension of the actuator.
手柄与电动执行器是可分开的,以最小化电动执行器体积.
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2、
After crank handle, the electromotion should not work because of the switch effect.
取下手摇柄后,由于联锁开关的作用, 电动应不能工作.
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3、
The crank handle is rotated to lead a screw to rotate through an umbrella wheel.
转动摇把，通过伞轮使螺杆转动。
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