压气式负荷开关

pressure-operated reservoir, compressed-air chamber

pressure-operated switch

pressure-operated reservoir

pressure-operated flushing pressure-operated closet flushing

closet flushing by means of pressure-operated reservoir, compressed-air chamber

pressure-operated switch【机】

pneumatic valve【机】;pressure-operated valve【机】

hydraulic valve【机】;pressure-operated valve【机】