河道泥沙淤积
channel sediment deposition
减轻水库泥沙淤积
mitigation of reservoir sand sedimentation
泥沙淤积量估算
estimation of silting sediment
泥沙淤积特性
sedimentation characteristic
水流和泥沙淤积
current and silt sedimentation
水位、泥沙淤积变幅
water level
silt deposition amplitude
沉积泥沙反演
deposited sediment conversion