您要查找的是不是：
- polyalkyl polyphenylamine 聚烷基聚苯胺
- polyalkyl sulphone 聚烷基砜
- polymethyl polyphenylamine 聚甲基聚苯胺
- polymethylene polyphenylamine 聚亚甲基聚苯胺
- polyalkyl acrylate 聚丙烯酸烷基酯
- polyalkyl sulfone 聚烷基砜
- polyalkyl oxide rubber 聚烷基环氧橡胶
- polyalkyl synthetic lubricant 聚烷基合成润滑剂
