• At present, the die and mould technology and the service life of dies and moulds in China still have a large gap comparing with that of the developed industry countries.

    目前我国的模具技术模具寿命一些工业发达国家相比存在较大差距

    youdao

  • At present, the die and mould technology and the service life of dies and moulds in China still have a large gap comparing with that of the developed industry countries.

    目前我国的模具技术模具寿命一些工业发达国家相比存在较大差距

    youdao

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