基本解释聚丙烯酸鈉同根派生 PNaAA相关词英汉例句Influence of Crystallinity of PAA,PLiAA and PNaAA Coatings Flim on Its Surface Performance PAA、PLiAA和PNaAA塗膜結晶度對其表麪性能的影響PNaAA更多例句