28 Periodic inspection and regular _____ of the wiring system of a building can help prevent overloa

問題詳情

28 Periodic inspection and regular _____ of the wiring system of a building can help prevent overloading of thewiring or short-circuit from happening.
(A)maintenance
(B)clearance
(C)tolerance
(D)sequence

參考答案

答案：A
難度：適中0.581921
統計：A(103),B(29),C(16),D(10),E(0)

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