Deposition of low dam seriously influences on diversion effect of water conservancy key project, reduces the ability of draining flight a flood in upper reaches of two Banks along river.
低坝淤积严重影响到枢纽工程的引水效果，降低了上游沿河两岸的抗洪排涝能力。
Net cage stone is also used to spillway dam and diversion dam, flood may play a guiding effect of constraint.
笼石网也使用到泄洪坝和导流坝，起到引导或许约束洪水的效果。
Stone cage net is applied to the spillway dam and diversion dam, flood may play a guiding effect of restraint.
石笼网也应用到泄洪坝和导流坝，起到引导或许束缚洪水的效果。
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