如果你必须爬上去，就用一个稳固的平台或者一个结实的梯子。
If you have to climb up, use a firm platform or a sturdy ladder.
这个只有一间房的木屋有个专门用来储藏东西的阁楼，可以爬梯子到屋顶下面的那块平台。
The single-room cabin had a place for storing things, called a loft, on a platform under the roof, which was reached by climbing a ladder.
如果买方有要求，卖方应根据买方平台及梯子布置图设计平台、梯子及凸耳。
When specified in Purchaser's requisition, vendor shall design platforms & ladders and lugs for them in accordance with Purchaser's platform & ladder arrangement drawings.
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。
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.
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