反铲控制阀油路
backhoe control valve circuit
反铲液压油路
backhoe hydraulic circuit
反铲装载机机具油路
backhoe loader implement circuit
反铲铲斗斗杆油缸
stick backhoe bucket cylinder
发动机机油油路简图
engine oil flow schematic
发动机润滑油路油压低
low engine oil pressure circuit
模锻锤油路油流量
impactor circuit oil flow
润滑油油路量孔
lubrication passage orifice
制动器冷却油油路
brake cooling oil circuit