聚丙烯酰胺还可用于油田化学助剂，如粘土防膨剂、油田酸化用稠化剂。

For oilfield chemical additives, such as clay anti-swelling agent, thickening agent used oil acidification.

youdao

聚丙烯酰胺还可用于油田化学助剂，如粘土防膨剂、油田酸化用稠化剂。

For oilfield chemical additives, such as clay anti-swelling agent, thickening agent used oil acidification.

youdao