若被输送液体的粘度和密度与水相差较大时，应核算泵的特性参数：流量、压头和轴功率。
If the transport of liquid viscosity and density difference between the larger and water, shall account for the pump parameters: flow, pressure head and shaft power.
综合发动机和液压泵的特性曲线，分别对发动机与液压变量泵、定量泵进行了匹配效率分析；
Through a study in characteristic curve of the engine and hydraulic pump, the matching efficiencies between engine and fixed and hydraulic variable displacement pump were analyzed respectively.
无论改变泵出口管线结构还是改变泵吸入口管线结构，都会对单螺杆泵的特性产生一定程度的影响。
Whether to change the pump outlet pipe structure or to change the pump intake pipe structure, and will feature a single-screw pump have a certain extent.
应用推荐