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单选题
IF THE ENGINE IS RUNNING， ENGINE ANTIICE VALVE OPENING IS CAUSED BY:
A
Ice formation on the engine inlet cowl.
B
Loss of electrical power to the engine anti-ice valve solenoid
C
Icing conditions detecte
答案解析
正确答案：B
解析：
题目解析：IF THE ENGINE IS RUNNING，ENGINE ANTIICE VALVE OPENING IS CAUSED BY: A.Ice formation on the engine inlet cowl. B.Loss of electrical power to the engine anti-ice valve solenoid C.Icing conditions detected. 答案:B
解析：当发动机运行时，发动机防冰活门的打开是由发动机防冰活门电磁阀失去电力引起的。这意味着当电力供应中断时，防冰活门会打开以确保防冰系统的工作。
