A.換氣的次數(shù)、沉降菌數(shù) B.尖埃粒子數(shù),浮游菌數(shù) C.換氣的次數(shù)、尖埃粒子數(shù),浮游菌數(shù) D.浮游菌數(shù)、換氣的次數(shù) E.尖埃粒子數(shù)、浮游菌數(shù)、沉降菌數(shù)
A.食品 B.飲料 C.香煙 D.個人用藥品