The structure, process and security of ethylene oxychlorination reaction units, which were made by Mitsui Toatsu Co.
英
美
对引进的三井东亚和赫司特乙烯氧氯化反应单元的结构、工艺情况及安全性进行了比较,并提出了改进建议。
目录
查词历史
英 汉