辅助转向液压油压力
supplemental steering oil pressure
液压油压力平衡
hydraulic oil pressure balance
液压油压力系统
hydraulic oil pressure system
备用低压机油压力
low pressure standby oil pressure
泵出油压力测试
pump discharge pressure test
泵信号压力油管路
pump signal pressure line
泵信号压力油口
pump signal pressure port
泵压力油供油管路
pump oil pressure supply line
泵油压力增加
pump oil pressure increase