Pressure Reduction Valve
pressure-reduction valve
proportional pressure reduction valve
accessory for pressure reduction
Atmospheric and Vacuum Pressure Unit
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)
blood- pressure reduction
brake accumulator charging valve pressure
brake accumulator charging valve pressure check
brake control valve pressure switch
brake oil filter relief valve pressure test