n.<矿>金刚砂，刚玉粉
They infiltrated behind the lines so as to annoy the emery replacements.
他们渗透敌后以便骚扰敌军的调度.
She rubbed the glass with emery paper.
她用砂纸磨玻璃.
Stainless steel sheet with polished surface processed with fiber emery wheel.
用纤维砂轮加工的不锈钢板材的表面.
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