橡胶软化油是由石油馏分经加氢等精加工而成橡胶处理油。

Product description: Rubber process oil is from processed petroleum fractions, such as hydrogenation.

youdao

橡胶软化油是由石油馏分经加氢等精加工而成橡胶处理油。

Product description: Rubber process oil is from processed petroleum fractions, such as hydrogenation.

youdao