潜坝

潜坝
qiánbà
[ground sills] 横穿河床按一定间距修造的水下混凝土槛, 目的是防止河床受过多的冲刷或增加水流宽度

Advanced Chinese dictionary. 2013.

Игры ⚽ Поможем решить контрольную работу

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