auxiliary relief valve pressure
BACK PRESSURE VALVE
逆止阀
背压阀
回压阀
止回阀
向后反射X射线判测法
单向阀
反压阀
止逆阀
back pressure valve(Non-return vale)
brake accumulator charging valve pressure
brake accumulator charging valve pressure check
brake control valve pressure switch
brake oil filter relief valve pressure test
breathing pressure valve
bypass valve pressure setting
charge relief valve pressure test
Constant Pressure Valve
converter inlet pressure valve
cooling valve charge relief valve pressure test
counterweight relief valve pressure test
crossover relief valve pressure setting
differential pressure valve
drum selector valve protection relief valve pressure test