描述人性格的英文:在线等 排顺序

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1.These processes include cleaving, sawing or laser cutting, and polishing.
2.The cutter develops a plan that will accomplish these goals while still producing a gem of the greatest size and hence maximum value.
3.Rough diamonds are not brilliant and can appear greasy.
4.About half of a natural diamond’s size is lost in diamond cutting.
5.Diamond cutting encompasses a number of processes that bring out the beauty of gem diamonds.
6.A diamond cutter seeks to enhance the brilliance and fire of each stone and to eliminate imperfections, such as cracks and cloudiness.
答1 不对

3 粗钻要加工

6 切割机的作用

2 切割机工作原理

5 工作过程

1 续工作过程

4 结果,50%的天然钻石无法采用了