19. 發現 二號主冷卻海水泵馬達電樞線圈燒毀 A burnt ______ windings of electric motor of No.2 main cooling sea water pum
問題詳情
19. 發現 二號主冷卻海水泵馬達電樞線圈燒毀 A burnt ______ windings of electric motor of No.2 main cooling sea water pump was discovered. (A) circuit (B) rotor (C) armature (D) pole