文章主要论述了公路机械维修方面的问题。
This article mainly discusses the issue of road maintenance machinery.
文章从矿物学角度对银山西区铜金矿床主要矿物在不同成矿阶段上的差异进行了论述。
This paper discuss the difference of main mineral in different mineralize stage at mineralogy angle.
文章论述了科技写作的主要特点。
The paper deals with the main characteristics of the scientific and technical writing.
文章论述了科技写作的主要特点。
The paper deals with the main characteristics of the scientific and technical writing.
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