它既是将土木工程设计原理与植物和自然材料，如能够防止侵蚀并减缓水流的石材相结合。
This refers to the combination of civil engineering design principles with plants and natural materials, such as rocks, which control erosion and slow-down the flow of water.
本文从降雨、河槽侵蚀机理等方面进行了成因探讨，并提出了以疏导工程防止泥石流改道、控制古堆体活动为主的整治对策。
The chemical erosion mechanism of slide board in casting of Ca-treated steel is analyzed, the research situation at home and abroad about it introduced.
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