压力控制顺序阀进油管路
priority valve inlet line
不密闭的高压燃油管路
leaking high pressure fuel line
变速箱机油管路组件
transmission oil lines group
变速箱回油管路滤网盖
transmission scavenge line screen cover
泵压力油供油管路
pump oil pressure supply line
泵信号压力油管路
pump signal pressure line
装载机润滑油管路连接
loader oil line connection