問題詳情
53______are designed to supply a large volume of water quickly to the protected area.
(A)Deluge sprinkler systems
(B)Wet-pipe sprinkler systems
(C)Dry-pipe sprinkler systems
(D)Residential sprinkler systems
參考答案
答案：A
難度：困難0.25
統計：A(2),B(4),C(1),D(1),E(0)