單項選擇題
(1)定時(2)霧化(3)計量(4)加壓
A.(1)(2)(3)
B. (1)(3)(4)
C. (2)(3)(4)
D. (1)(2)(3)(4)
(1)定時(2)霧化(3)計量(4)加壓
A.(1)(2)(3)
B. (1)(3)(4)
C. (2)(3)(4)
D. (1)(2)(3)(4)