• The relation of acetylene content in the header outlet pipe of convertor with the service time of catalyst in the production of PVC by calcium carbide method was introduced.

    介绍了电石PV C树脂生产转化器出口总管处乙炔含量触媒使用时间关系

    youdao

  • The relation of acetylene content in the header outlet pipe of convertor with the service time of catalyst in the production of PVC by calcium carbide method was introduced.

    介绍了电石PV C树脂生产转化器出口总管处乙炔含量触媒使用时间关系

    youdao

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