压力真空表 combined pressure and vacuum gauge
- 压力真空表和真空表。
Combined Pressure and Vacuum Gauge and Vacuum Gauge. - 泵不吸水,压力表及真空表的指针剧烈跳动。
Pump not suck water, indicator of pressure and vacuum meters severely jumps. - 压差等于大气压力加上储罐真空度(表计)。
This pressure differential is equal to atmospheric pressure plus the tank vacuum.