According to these problems, the author makes an analysis an...
现就这些问题进行分析和提出解决办法。
According to these problems, this article discusses the process of producing chlorine from seawater direct electrolysis from three aspects.
根据这些问题,本文主要从三个方面对海水直接电解制氯过程进行研究。
In asphalt pavements, wood fiber can't be recycled; polymer fiber is expensive; basalt fiber need import. According to these problems, alkaline mineral fiber was found.
针对沥青路面中木质素纤维不能再生、聚合物纤维价格高、玄武岩纤维需进口的缺点,研发出了碱性矿物纤维。
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