pump drive group housing gear 泵传动装置箱体齿轮

hydraulic pump drive group 液压油泵驱动组件

fuel pump drive group 燃油泵驱动部分

swing pump drive group 转盘油泵驱动组件

transmission pump drive group 变速箱泵驱动装置

pump drive gear group 泵传动齿轮组件

pump group drive shaft 泵组件传动轴

ground drive pump group 地面驱动泵组件

engine drive pump group 发动机驱动泵组件