In addition, dredging can make some benefit for the river regime, but additional regulation projects may be needed.

另外，挖河可以在一定时段内起到理顺河势的效果，但要维持其效果，还应有一定的河道整治工程相配套。

youdao

In addition, dredging can make some benefit for the river regime, but additional regulation projects may be needed.

另外，挖河可以在一定时段内起到理顺河势的效果，但要维持其效果，还应有一定的河道整治工程相配套。

youdao