A、±1% B、±0.5% C、±1.5% D、±2%
A、10%~80% B、20%~80% C、10%~90% D、20%~90%
A、0.1MPa,0.01MPa B、0.01MPa,0.1MPa C、0.01MPa,0.01MPa D、0.1MPa,0.1MPa