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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
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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