×
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
In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.
B
Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.
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：
探头加温电门位置考点
相关题目
单选题
Make sure that the pipe is not clogged.
单选题
Replace the defective pump.
单选题
Deflate the tire.
单选题
Make sure that the cabin pressure stays constant.
单选题
Compare the two indications.
单选题
Find the source of the fuel leakage.
单选题
Principal dimensions shall be shown upon the drawing.
单选题
Only apply very light pressure to the surface.
单选题
Release the SHORT-CIRCUIT TEST switch.
单选题
To extinguish a possible fire, portable fire extinguishers are installed in these areas.
