18
20 600  3.1  1.1
22 660  3.1  1.1
24 720  3.9  1.1
27 810  5.8  2.5
30 900  7.9  2.5
33 990  7.9  3.7
36 1080 13   6.1
39 1170 13   7.8
42 1260 20.8 9.2
45 1350 29.1 10.2 
48 1440 29.1 10.2
52 1560 37.6 15.4
56 1680 45.6 18.6
60 1800 57.5 27.1
64 1920 68.2 28.4
68 2040 80.6 36.1
72 2160 97.5 45
76 2280 97.5 56 
˵:
     ˨ֱ 
     ˨(ê) 
     ˨(ñƬ)
     ()

