問題詳情
39.What could be the consequences if the safety devices are used wrongly?
(A)engine break down
(B)serious accident resulting in injury
(C)thermal efficiency impediment
(D)overall power output enhancement
參考答案
答案：B
難度：簡單0.714286
統計：A(2),B(15),C(0),D(2),E(0)