动力驱动摆动式钉齿耙
reciprocating power-driven tine harrow
汾河河岸带
Fenhe river riparian zone
汾河河滩
the flood land of the Fenhe River
复式河槽
compound river channel
compound channels
composite roughness of river
海军机动河川基地区队
naval mobile riverine base element
河槽边界条件
boundary conditions of river channel