An experimental investigation on purification of ethylbenzene waste gas a biofilter packed with ceramic pellets.以陶粒作为生物过滤床的填料净化含乙苯废气.Extraction and purification of cytisine from the seeds of thermopsis lanceolate were st...

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purification的音标：purification的英式发音音标为：[ˌpjʊərɪfɪ'keɪʃn]purification的美式发音音标为：[ˌpjʊrəfɪ'keʃən]...

The water goes through three stages of purification.这水经过3个步骤的净化.One third of their entire site is given up to a water-purification plant.他们将整块地的1/3用于建净水厂。The start of proteomics is purification.蛋白质学的开端是蛋白质的提纯....