The fast response and stable output of the torque are key techniques of electric screw press.

转矩的快速响应和稳定输出是电动螺旋压力机稳定运行的关键。

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Generally, two screws are placed in the hub: one screw bears on the key and the other bears on the shaft.

一般在轮毂内装有两个螺钉，一个螺钉压在键上，另一个则压在轴上。

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As some kinematics problems are studied by the screw theory, the dependency of screw system is a key problem.

在利用螺旋理论研究某些机构学问题时，螺旋系相关性的判别是关键问题。

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