The filtration materials: glass fibre, PP, PET, cotton fabric, activated carbon, paper etc.The filters are used for filtration of gas.Oil. Water etc.是什么意思_The filtration materials: glass fibre, PP, PET, cotton fabric, activated carbon, paper etc.The filters are used for filtration of gas.Oil. Water etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句