Water shutoff system XN-PP developed is a in-situ copolymerization system polymerized from acrylamide, low-grade aldehyde and some addition a-gents.Chemical mechanism of XN-PP is analysed.是什么意思_Water shutoff system XN-PP developed is a in-situ copolymerization system polymerized from acrylamide, low-grade aldehyde and some addition a-gents.Chemical mechanism of XN-PP is analysed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句