Major earth and rockfill dams must have "an emergency exit" (emergency spillway or emergency measures) in case super floods cause dam failures.

重要土石坝必须设“太平门”（非常溢洪道），以便在遭遇非常洪水时采取非常溢洪措施。

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Major earth and rockfill dams must have "an emergency exit" (emergency spillway or emergency measures) in case super floods cause dam failures.

重要土石坝必须设“太平门”（非常溢洪道），以便在遭遇非常洪水时采取非常溢洪措施。

youdao