英德
有道
百度
谷歌
图片
维基
百科
砂纸片
[口腔] sand paper disc
- 小巧的携带盒内有6块补胎片和砂纸。
Six patches with sandpaper in a neat little carry along box. - 为了模拟拉延筋的效果，我们可以在料片特定处单面或双面放置粗布或砂纸，来限制金属流进凹模型腔。
To simulate the effects of a draw bead, a process that restricts metal from flowing into the cavity, grit cloth or sandpaper can be placed on one or both sides of the blank in a specific area.
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中国词汇量第二的英语词典
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