阿摩線上測驗
56 Mass flow of hot smoke in and out of compartment openings can be calculated since the differences
across the opening can be estimated.
(A)surface area
(B)pressure
(C)velocity
(D)force
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統計： A(34), B(73), C(30), D(15), E(0) #1200272
統計： A(34), B(73), C(30), D(15), E(0) #1200272
