权威例句
Automatic air valveAutomatic air valveAutomatic air valveAutomatic air valve device for ductsInfluence of automatic air compensating valve on process of cabbage vacuum cooling.Automatic shut-off air pressure valve for tiresAutomatic air valve for hydropneumatic tanksLiquid enclosure with automatic air bleeding valveActive pressure relief valve for automatic air extractorINFLUENCES OF AUTOMATIC AIR COMPENSATING VALVE ON THE PROCESS OF CABBAGE VACUUM COOLINGAutomatic air vent valveAutomatic air-supply valveAutomatic air bleed valve
