A.0.5%~2% B.1%~0.5% C.1%~2% D.2%~3%
A.1处、2.5m B.2处、2.5m C.1处、1.5m D.2处、1.5m
A.20℃ B.25℃ C.30℃ D.18℃
A.2m2 B.4m2 C.8m2 D.10m2
A.50 B.80 C.100 D.120