电辅助转向泵
electric supplemental steering pump
转向泵进油管路
steering pump suction line
转向泵流量特性曲线
steering pump flow diagram
转向泵排量控制
steering pump displacement control
转向泵电机出厂号
steering pump motor serial number
转向泵压力检查
steering pump pressure check
转向泵压力试验
steering pump pressure test
转向泵液压控制
steering pump hydraulic control
转向泵油压
steering pump oil pressure