这个设计的原材料绝大多数都是废弃物。
The absence of scrap material and ability to achieve Class-A finish.这种方法的优点是没有废料、能取得A级表面精度。
First off, the place where I work are pretty easy going when it comes to using scrap material for personal projects.首先,我们的地方,我工作是很容易去当谈到使用废料为个人项目。