此时，顺时针旋转和逆时针旋转的螺旋桨产生的扭力刚好平衡。
When doing so, the forces between the clockwise props on one hand, and the counter-clockwise props on the other hand, are balanced out.
唯一的一种平衡，平衡是不够灵敏，小螺旋桨是磁性的类型。
The only type of balancer that is sensitive enough to balance small propellers is the magnetic type.
唯一的一种平衡，平衡是不够灵敏，小螺旋桨是磁性的类型。
The only type of balancer that is sensitive enough to balance small propellers is the magnetic type.
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