Dam safety is related to the physical condition of a dam structure, which in turn is governed by maintenance and rehabilitation work.

大坝安全与大坝结构的物理状态密切相关，而大坝的物理状态取决于维护及加固工程。

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Dam safety is related to the physical condition of a dam structure, which in turn is governed by maintenance and rehabilitation work.

大坝安全与大坝结构的物理状态密切相关，而大坝的物理状态取决于维护及加固工程。

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