油墨擦花：具研磨剂的纸，通常是无光粉纸，当它面上的油墨未干而与另一张纸磨擦所造成的擦拭花情况。
Ink rub: Smears of ink caused when the surface of an abrasive paper, often matt art, rubs against the ink film before it is completely dry.
这种方法制造出来的焊锡粉具统一的粒径、氧化和高纯度的特性。
Powder produced in this way has a uniform particle size distribution, low oxide content and high purity.
结果表明，利用该可降解模塑粉，采用压缩模塑工艺，可制成新型可生物降解的餐饮具、禽蛋包装托盘等。
The result shows that the biodegradable moulding powder can be used to produce compression moulding products such as tableware for fast food and tray for packaging eggs.
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