车用NBR橡胶输油管在甲醇汽油、DMC甲醇汽油中溶胀后的物化表征
차용NBR상효수유관재갑순기유、DMC갑순기유중용창후적물화표정
A study on physicochemical characteristics of NBR oil-line used in car after being soaked in methanol gasoline and DMC-methanol gasoline
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