A.不宜大于0.3m/s B.不宜小于0.3m/s C.不宜大于0.6m/s D.不宜小于0.6m/s
A.16~24℃ B.1.2~20℃ C.12~20℃ D.20~24℃
A.1.5 B.1/3 C.2.0 D.2/3