This type of filter material is quite stable in service use; there will not be any water-soluble substance and degree of hardness increased when water runs through TJP.是什么意思_This type of filter material is quite stable in service use; there will not be any water-soluble substance and degree of hardness increased when water runs through TJP.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句