abrasive and grinding tools manufacture
centreless abrasive belt grinding machine 无心砂带磨床 abrasive and grinding tools manufacture 磨料磨具行业 automatic abrasive belt grinding machine 自动砂带磨床 ..
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abrasive and grinding tools manufacture
磨具和研磨工具制造
以上为机器翻译结果，长、整句建议使用 人工翻译 。