Scouring is the result of（）.<br>A:interruption of the normal current flow by the footing<br>B:elevating in mud-slide zones<br>C:penetrating rapidly through a hard crust into weaker soils<br>D:extracting legs from soils with high cohesion

Scouring is the result of（）.
A:interruption of the normal current flow by the footing
B:elevating in mud-slide zones
C:penetrating rapidly through a hard crust into weaker soils
D:extracting legs from soils with high cohesion

出自：海船船员证

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