防坍堤 的英文怎麼說
中文拼音 [fángtāndī]
防坍堤
英文
avalanche protection dike-
In the early periods, the objective of the river management is to constraint the braid river in a main channel by using construction of dikes. by control the flood could prevent from river banks flowing away
早期河川治理,以築堤御洪為主,其主要目標在於整理網狀亂流,束范于河槽中,防止沿岸土地浸淹崩坍及流失,達到防災減災的目的。Although the canal conduit capacity does not change very much than design discharge, the canal erosion due to many years scour already damaged the canal stability. therefore, taking efficient measures should protect the canal
然而對于北部引嫩渠道來說,盡管大部分渠道在設計流量下輸水能力並沒有什麼明顯的損失,但渠道的橫向坍塌拓寬已危及堤岸的安全,應及時採取防治措施加以治理。
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