以下为句子列表：
英文: A simple device, such as a lever, a pulley, or an inclined plane, that alters the magnitude or direction, or both, of an applied force; a simple machine.
中文: 机械装置一个简单装置，如杠杆、滑轮或斜面刨，可以改变作用力的大小或方向或同时改变；简单机械装置
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英文: All loading pads shall be capable of pivoting in relation to the direction of the applied force and the pivot point shall be as close as practically possible to the load surface.
中文: 所有的坐垫要能够做到相对于用力方向的绕轴旋转以及该旋转点要和承载面尽可能地靠拢。
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