单词	压力真空
释义	压力真空1. p/v (pressure vacuum)
随便看	waterstop； sealing water-storage water storage layer water storage parenchyma water storage tank of deaerator water storage tissue water(storage)tissue water-storage tissue water(storage)tissue--aquiferous tissue water(storage)tissue;aquiferous tissue water-storing tissue water strainer water streak water stress water strider water string water structure water study water substance water, sub-surface water-- subsurface water; subsurface water suction cleaning appliance water-suction cleaning appliance water suction pump