标气浓度(ppm)

0

10

20

30

40

50

实测浓度1

0.23

10.14

20.21

30.44

40.57

50.18

实测浓度2

0.39

10.35

20.41

30.5

40.41

50.23

实测浓度3

0.51

10.23

20.38

30.62

40.33

50.3