We have a representative sample.
我们有一个代表性的样品。
We have a representative sample.
我们有一个代表性的样品。
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
,
该朱庄煤矿煤系为代表样品进行的活化研究。
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