单选题
当选择一个ENG FIRE PUSH(火警按压)电门时,相应的( )将关闭。When an ENG FIRE PUSH switch/light is selected, the respective ( )close.
A
发动机压力调节关断活门 engine bleed valve (PRSOV)
B
发动机压力调节关断活门和高压活门 engine bleed valve (PRSOV) and high-pressure valve (HPV)
C
发动机压力调节关断活门、高压活门和中压活门engine bleed valve (PRSOV)、 high-pressure valve (HPV) and Intermediate Check Valve
D
整流罩防冰活门、发动机压力调节关断活门和高压活门 Cowl anti-ice valves、engine bleed valve (PRSOV) and high-pressure valve (HPV)
答案解析
正确答案:B
