Choi steel manufacturing sales metal materials (excluding precious metals) marketing.
彩钢板制造销售，金属材料(含贵金属)售。
The main targets of this research are the portable decoration that women and men wear metal and precious stones as the main materials.
本文所研究的对象主要是指，妇女及男子所佩戴的以金属和宝石为主要材料的随身装饰品。
The main targets of this research are the portable decoration that women and men wear metal and precious stones as the main materials.
本文所研究的对象主要是指，妇女及男子所佩戴的以金属和宝石为主要材料的随身装饰品。
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