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.
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