A.≤0.10% B.≤0.12% C.≤0.15% D.≤0.20% E.≤0.25%
A.≤0.08mg/m3 B.≤0.12mg/m3 C.≤0.15mg/m3 D.0.08~0.12mg/m3 E.0.12~0.15mg/m3
A.分子擴(kuò)散項(xiàng)為零 B.渦流擴(kuò)散項(xiàng)為零 C.液相傳質(zhì)阻力為零 D.氣相傳質(zhì)阻力為零 E.以上各項(xiàng)均不可能為零