When the model is working, rotate the working roller in high speed to drive the evenly distributing hitter, to hit the ice-snow layer on the road, to break the ice-snow and to clear them up.
本实用新型工作时，高速旋转的工作辊带动均布的打击器连续不断地打击路面上的冰雪层，将道路上的冰雪层破碎、清除。
When the model is working, rotate the working roller in high speed to drive the evenly distributing hitter, to hit the ice-snow layer on the road, to break the ice-snow and to clear them up.
本实用新型工作时，高速旋转的工作辊带动均布的打击器连续不断地打击路面上的冰雪层，将道路上的冰雪层破碎、清除。
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