When said grinding wheel is rotating, the impact block continuously impacts on wheel hub and grinding wheel to compact soil.
碾轮在滚动过程中，冲击块不断对轮毂和碾轮产生冲击，从而将土壤压实。
When said grinding wheel is rotating, the impact block continuously impacts on wheel hub and grinding wheel to compact soil.
碾轮在滚动过程中，冲击块不断对轮毂和碾轮产生冲击，从而将土壤压实。
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