• When you are inside your room, please use the cat eye and the safety latch on the door as additional security measures.

    房间,为了更加安全保险,使用您房间窥视镜安全锁。

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  • Setting codes of the normal-open fire-proof door, safety control and alarm escape latch system are analyzed and electrical matching design measures are discussed.

    摘 要现行规范和地方消防规定中常开式防火安全控制报警逃生门锁系统设置规定进行分析,探讨电气配套设计措施。

    youdao

  • Setting codes of the normal-open fire-proof door, safety control and alarm escape latch system are analyzed and electrical matching design measures are discussed.

    摘 要现行规范和地方消防规定中常开式防火安全控制报警逃生门锁系统设置规定进行分析,探讨电气配套设计措施。

    youdao

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