The physical properties of rubber accelerator 2-mercapto benzothiazole and main methods for its preparation are introduced.
介绍橡胶硫化促进剂2-巯基苯并噻唑
物
和主要制备方法。
The physical properties of rubber accelerator 2-mercapto benzothiazole and main methods for its preparation are introduced.
介绍橡胶硫化促进剂2-巯基苯并噻唑物和主要制备方法。
：以上例句、词
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