Dual cleaning action using a chemical and abrasive action formula.
通过化学和摩擦作用配方,提供双重清洁作用.
However, tool wear is high in USM, due to the abrasive cutting action.
但是, 由于USM是磨削加工, 因而刀具损耗大.
Abrasive grain up only 30 % weight; its self-sharpening action is weaker, resulting in lower grinding efficiency.
磨粒只占总重的30%; 其自锐性弱, 因而磨削效率很低.
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