按压ENG1(2) FIRE (发动机1(2)防火)按钮可关闭哪个活门:

按压ENG1(2) FIRE (发动机1(2)防火)按钮可关闭哪个活门:

A.防火关断活门

B.优先活门

C.渗漏测量活门

正确答案是A