Compared with with other part, the area near overflow point could be more easily destructed. Therefore, the filter protection to the downstream of the primary dam should be done early.
各种工况下的渗流溢出点附近相对于整个坝体其它部位更易于发生渗透破坏，故应做好初期坝下游坝坡的反滤保护。
Compared with with other part, the area near overflow point could be more easily destructed. Therefore, the filter protection to the downstream of the primary dam should be done early.
各种工况下的渗流溢出点附近相对于整个坝体其它部位更易于发生渗透破坏，故应做好初期坝下游坝坡的反滤保护。
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