A.0.9 B.1.05 C.0.95 D.1.2
A.0.5米 B.1米 C.1.5米 D.2米
A.0.135-(0.135-0.09)*(5-G)/(15-5) B.0.135-(0.135-0.09)*(G-5)/(15-5) C.0.09-(0.09-0.06)*(15-G)/(30-15) D.0.09-(0.09-0.06)*(G-15)/(30-15)