A.隔日消毒和終末消毒 B.隔日消毒和隨時(shí)消毒 C.隨時(shí)消毒和終末消毒 D.三日消毒和終末消毒
A.年初人數(shù) B.年末人數(shù) C.年平均人口 D.人時(shí)數(shù)
A.139.8~140.2 B.120.4~159.6 C.125.0~154.6 D.138.0~141.9