常见例句雙語例句Heavy paper backing, with medium softness, flat sanding surface and small extension. Suit for making various kinds of belts and specialty abrasives.重型紙基砂帶，具有適中的柔軟度，砂麪平整、延伸率小，適郃做各種砂帶、砂卷和異型制品。 返回 backing for abrasives