47 Which of the following is NOT the possible path for floor-to-floor smoke spread in office buildings?
(A)Pipeline shafts
(B)Air conditioning systems
(C)Adjacent compartmentations
(D)Staircases
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統計: A(64), B(96), C(182), D(46), E(0) #2024010
統計: A(64), B(96), C(182), D(46), E(0) #2024010