Basing upon the traditional classing method of filtration materials, a series of filtration materials representing the developing trend of current filtration materials were enumerated in the paper.是什么意思_Basing upon the traditional classing method of filtration materials, a series of filtration materials representing the developing trend of current filtration materials were enumerated in the paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句