問題詳情
38. 下列何者為可變螺距推進器之缺點？
(A) 改變葉片之方向即可得逆向推力
(B) 主機之扭力及回轉數可方便選定
(C) 翼與轂部之連接處之水密困難
(D) 停車時不需停止主機運轉
(A) 改變葉片之方向即可得逆向推力
(B) 主機之扭力及回轉數可方便選定
(C) 翼與轂部之連接處之水密困難
(D) 停車時不需停止主機運轉
參考答案
答案：C
難度：簡單0.8
統計：A(0),B(3),C(16),D(1),E(0)
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