• 发明满足防火工作状态需求

    The invention can also meet requirements of the work state of a fireproof curtain.

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  • 本文讨论防火装置设计可以改进几点意见。

    This paper discusses the ideas towards improvement of stage fire curtain equipment design.

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  • 本文讨论防火装置设计可以改进几点意见。

    This paper discusses the ideas towards improvement of stage fire curtain equipment design.

    youdao

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