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关注:1
2013-05-23 12:21
求翻译:Therefore safety requirements for the spillway are high, requiring the spillway to be capable of containing a maximum flood stage。Specifying a spillway able to contain a five hundred year flood is common.是什么意思?![]() ![]() Therefore safety requirements for the spillway are high, requiring the spillway to be capable of containing a maximum flood stage。Specifying a spillway able to contain a five hundred year flood is common.
问题补充: |
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