Number of stairs in equipment structure, operation platform and ground conform to design specifications, and the distance between safety evacuation passages isn't more than one of 50 m.
设备的框架、平台连通地面的梯子个数按规范设计、安全疏散通道间的距离不大于50米。
Number of stairs in equipment structure, operation platform and ground conform to design specifications, and the distance between safety evacuation passages isn't more than one of 50 m.
设备的框架、平台连通地面的梯子个数按规范设计、安全疏散通道间的距离不大于50米。
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