一种用于控制电梯车厢运动速度的离心致动装置，包括控制向上和向下运动的能力。
A centrifugally activated device for controlling the speed of movement of an elevator cab includes the capability of controlling upward and downward movement.
比力量，人造肌肉似乎永远不可能比得上液压致动装置，比速度和扭矩，人造肌肉似乎又比不上内燃机。
Artificial muscles seem unlikely ever to be able to compete with hydraulic actuators for strength, or combustion engines for speed and torque.
必须只能通过控制装置在规定用途下的自发致动才有可能启动机械。
It must be possible to start machinery only by voluntary actuation of a control device provided for the purpose.
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