地势西高东低，大致呈三阶梯状分布。
East West high lying low, was roughly three ladder-like distribution.
厂内超过一层高的大厦有防火梯吗？
Are fire escapes available for buildings more than one story high?
湖滨有一处高堤，堤坝背面有一架高梯。
There was a high bank at the shore, and a high ladder set back above the bank.
湖滨有一处高堤，堤坝背面有一架高梯。
There was a high bank at the shore, and a high ladder set back above the bank.
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