两锤体圆透孔圆心之间的距离满足碰撞平衡条件。

Two circle round hole hammer body through the distance between the meet collision equilibrium condition.

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两锤体圆透孔圆心之间的距离满足碰撞平衡条件。

Two circle round hole hammer body through the distance between the meet collision equilibrium condition.

youdao