涂附磨具; 砂带; 砂纸; 砂布; 砂盘; 磨片; 千页磨轮; 百叶片; 金骑士; coated abrasives; abrasive belt; abrasive cloth; abrasive paper; abrasive disc; flap wheel; punchy emery band; emery paper; emery cloth; jiqishi; benchstand belt;