When the Great Purification is near, these helpers will shake the earth first for a short time in preparation.
当这伟大的净化近了时，这些助手将会准备最初短时间摇动地球。
To improve drinking water, high pure water purification, industrial sewage processing quality, prolong water supply equipment life and played a great role.
对提高生活饮用水、高纯水净化、工业污水处理质量、延长供水设备寿命等起到了极大作用。
The extraction and purification technique of inulin from Great Burdock (Arctium lappa L.) root is studied in this paper.
研究从牛蒡根中提取菊糖并进行纯化的方法。
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