网络释义
1)left turn relief valve pressure,左转安全阀压力2)swing left relief valve,转盘左转安全[泄压]阀3)steering relief valve pressure,转向安全阀压力4)steering relief valve gauge reading,转向安全阀压力表读数5)steering relief valve pressure setting,转向安全阀压力调整6)steering signal pressure relief valve,转向信号压力安全阀