本实用新型涉及一种汽车防倒滑装置，其特征在于：在变速箱壁上设置有单向转动轮；

The utility model relates to slipping-back preventing device for automobile. The utility model is characterized in that the wall of the gear box is provided with a unilateral rotating wheel;

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顺时针转动前单向节流阀手柄，气缸前行速度放慢，装料速度也放慢。

When the level of the front one-way throttle valve is turned clockwise, the forward traveling speed of the cylinder and charging speed slow down.

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逆时针转动前单向节流阀手柄，气缸前行速度加快，装料速度也加快。

When the level of the front one-way throttle valve is turned counterclockwise, the forward traveling speed of the cylinder and charging speed increase.

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