Must realize a diamond quality and promote cost real relation.
一定要了解钻石品质与促销价格真正关系。
The synthesizing technology with catalyst powder has an immediate influence on diamond quality.
而粉末合成工艺的好坏直接影响金刚石的质量。
But between the cut of the diamond, the style of the setting, and the quality of the stone, there is a lot to consider.
但是在钻石的剪裁，布景的风格和石头的质量之间，有很多要去考虑。
You may find high quality diamond in Africa.
你一定在非洲找到了高质量的钻石。
Knives are generally selected high quality diamond.
刀具一般都选用优质的金刚石。
First of all, diamond for personal adornment must be in very fine quality.
首先，个人装饰用的钻石必须是优质的。
First of all, diamond for personal adornment must be in very fine quality.
首先，个人装饰用的钻石必须是优质的。
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