A.0.49~0.98kPa(5~10cmH2O)
B.0.80~2.00kPa(6~15mmHg)
C.1.30~2.90kPa(10~22mmHg)
D.4.50~5.80kPa(36~44mmHg)
E.10.7~13.0kPa(80~100mmHg)