Dike structural types and construction methods for all types, flood prevention measures and typhoon prevention measures are introduced.
介绍围堤结构型式和各种结构的施工方法及防汛防台措施。
Dike structural types and construction methods for all types, flood prevention measures and typhoon prevention measures are introduced.
介绍围堤结构型式和各种结构的施工方法及防汛防台措施。
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