abrasive grit for coated abrasives
...Abrasive grit for grinding wheels 研磨粗砂，用于砂轮 Abrasive grit for coated abrasives 研磨粗砂，用于涂覆磨具 Abrasive grit, selected and graded, for polishing 研磨粗砂，分选的和分级的，用于磨光...
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abrasive grit for coated abrasives
涂覆磨料用磨粒
以上为机器翻译结果，长、整句建议使用 人工翻译 。