Do you see the great reversal here?
看见这里神大而可畏的翻转了么？
The great number of moving parts, the sliding friction, the reversal of direction at rapid intervals, and the mechanical shock involved all contribute to severe wear.
大量运动部件、滑动摩擦、极短时间内运动方向的变化以及机械冲击等都使摩损加剧。
The great number of moving parts, the sliding friction, the reversal of direction at rapid intervals, and the mechanical shock involved all contribute to severe wear.
大量运动部件、滑动摩擦、极短时间内运动方向的变化以及机械冲击等都使摩损加剧。
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