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)

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