A.P2+[(P2-P1)/(H2-H1)]•(H中-H2) B.(P2-P1)/(H2-H1) C.P=Hr/10 D.[(P2-P1)/(H2-H1)]•(H中-H2)
A.(P2+P1)/(H2+H1) B.(P2-P1)/(H2-H1) C.(P2-P1)/(H2+H1) D.(P2+P1)/(H2-H1)
A.壓力 B.壓差 C.溫度 D.氣量