valve cooling system 阀冷却系统 ; 阀冷系统

fuel valve cooling oil 喷油器冷却油

fuel valve cooling system 喷油器冷却系统

fuel valve cooling tank 喷油器冷却柜

fuel valve cooling pump 喷油器冷却泵 ; 油头冷却泵

fuel injection valve cooling pump 喷油器冷却泵

fuel injector valve cooling pump 喷油器冷却泵

isolation valve cooling water riser 冷却水升管隔离阀

valve-cooling control 阀冷控制