A novel water treatment agent HPMA with low phosphorus content was prepared by solution polymerization with the raw materials of maleic anhydride(MA),H2O2 and sodium phosphate.是什么意思_A novel water treatment agent HPMA with low phosphorus content was prepared by solution polymerization with the raw materials of maleic anhydride(MA),H2O2 and sodium phosphate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句