单项选择题
A.49 058,39.07 B.48 520,39.07 C.49 058,38.52 D.48 520,38.52
A.11.1 B.12.5 C.17.4 D.10.6
A.0.728(m2·/W B.0.656(m2·/W C.0.816(m2·/W D.0.659(m2·/W