問題詳情

56 Mass flow of hot smoke in and out of compartment openings can be calculated since the differencesacross the opening can be estimated.
(A)surface area
(B)pressure
(C)velocity
(D)force

參考答案

答案：B
難度：困難0.24
統計：A(8),B(6),C(5),D(4),E(0)