A.6.8W/m2 B.7.6W/m2 C.8.5W/m2 D.9.4W/m2
A.25~50 B.15~20 C.10~13 D.12~15
A.11W/m2 B.12.5W/m2 C.14.5W/m2 D.18W/m2
A.0.5 B.0.6 C.0.7 D.0.8
A.85% B.90% C.93% D.95%