問題詳情
19.操俥位置在駕駛台（W/H）且主機在備便中，若主機停俥超過預設時間，當再次動俥時將會慢速運轉（Slow turning），其主要目的是：
(A)為了主機的安全
(B)測試主機的好壞
(C)停俥太久不知主機能否再運轉
(D)怕啟動空氣不夠
(A)為了主機的安全
(B)測試主機的好壞
(C)停俥太久不知主機能否再運轉
(D)怕啟動空氣不夠
參考答案
答案：A
難度：簡單0.8
統計：A(28),B(1),C(4),D(2),E(0)
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