bright luster是什么意思 bright luster怎么读
bright luster的用法和样例
- Thickness is directly related to the products safety works, Shandong and the mirror luster degrees are directly affecting the decorative stones effect.
产品的厚度是直接关系到工程的安全性，平度与镜面光泽度均直接影响着石材的装饰效果。
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