The structure is simple, the water discharge is stable, the investment is relative low, the washing of downstream river bed is light and the environment of dam area is improved.

  • 其结构简单、泄流稳定、工程投资低、可减轻下游河床冲刷、改善坝区环境。

  • 互联网摘选 2025-01-20 12:19:13

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