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单选题
确保驾驶舱头顶板上的探头加温电门放在自动位，所有的加温灯点亮。
A
A.In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.
B
B.Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.
C
C.Set probe heater switches on the overhead panel in cockpit in AUTO position so that all the heater lights come into view.
答案解析
正确答案：B
相关知识点：
驾驶舱探头加温放自动位
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