46. 下列哪一種裝置較少用於飛機的火警偵測用途?
(A)smoke detector
(B)ice detector
(C)over-heat detector
(D)continuous fire loop。
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統計: A(14), B(276), C(24), D(15), E(0) #2828628
統計: A(14), B(276), C(24), D(15), E(0) #2828628