
因为这里的P absolute=P air + P gauge
P 1, absolute=P air + P 1, gauge; P1,gauge =0
P 2, absolute =P air + P2, gauge; P2, gauge= P 2e

因为这里的P absolute=P air + P gauge
P 1, absolute=P air + P 1, gauge; P1,gauge =0
P 2, absolute =P air + P2, gauge; P2, gauge= P 2e