舱口盖液压控制装置
hydraulic control device for hatch cover
主蒸汽最高汽压控制回路
main-steam maximum pressure control loop
凸轮轴油压控制阀
oil pressure control valve of camshaft
变速箱泄压控制阀
transmission pressure relief control valve
转向离合器液压控制阀
steering clutch hydraulic control valve
主液压控制阀
main hydraulic control valve
制动液压控制机构
brake hydraulic control mechanism
直接液压控制系统
direct hydraulic control system
液压油流量控制阀组件
hydraulic flow control valve group