The sample solution is spotted on an absorbent paper.
把样品溶液点在滤纸上。
The sample solution is spotted on an absorbent paper .
把样品溶液点在滤纸上。
The paper introduces systematically a design process about a new-type automobile tail gas outer purifier that its absorbent is the NHD liquid.
介绍了一种以nhd液体为吸收剂的新型汽车尾气机外净化装置的工作原理和设计过程。
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