控制台油门杆下有两个大翼防冰微动电门,其作用是使飞机起飞前推油门杆时作动电路前推,从而:()
A:关闭大翼防冰电磁活门(WTAISOLENOIDVALVE)
B:打开大翼防冰电磁活门(WTAISOLENOIDVALVE)
C:关闭大翼防冰关断活门(WTAISHUTOFFVALVE)
D:打开大翼防冰关断活门(WTAISHUTOFFVALVE)
出自:飞机驾驶执照