支承辊轧辊是利用一对或一组轧辊滚动时产生的压力来轧碾钢材，使金属产生塑性变形的工具。
The pressure which the support roll roller is uses pair or a group of roller rolls when produces to come the millstone steel products, causes the metal to produce the plastic deformation tool.
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.
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