We have a representative sample.
我们有一个代表性
样品。
We have a representative sample.
我们有一个代表性样品。
For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.
为开发利用淮北矿区高岭
资源,以该区朱庄煤矿煤系高岭为代表样品进行高岭
化研究。
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观点；若发现问题，欢迎向我们指正。
