油压操作电压调整器
oil-operated voltage regulator
油压松放制动器
oil pressure released brake
油压雾化喷燃器
oil-pressure atomizing burner
油压总控制系统
oil pressure summing control system
制动器油压回路
brake oil pressure circuit
油压报警器
oil-pressure warning unit
制动器油压警告指示器
brake oil pressure warning indicator