flood abatement, flood control, flood prevention
sự hạ mức lũ
flood abatement, flood control, flood prevention, flood protection
sự phòng lũ
flood abatement, flood control, flood control operation, flood prevention, regulation of flood
sự điều tiết lũ
adjustment of stream, correction of channel, flood control, flow adjustment, flow control, flow regulation, regulation of flow, stream flow regulation
sự điều tiết dòng chảy