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单选题
1024、The second method does not require pressurization of the pneumatic crossover manifold, but utilizes
1024、The second method does not require pressurization of the pneumatic crossover manifold, but utilizes
an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground
maintenance.
第二种方法不需要对气动交叉管汇加压,而是利用一个外部气源连接到空气充注阀管汇,对储气罐加压,
用于地面维护
A
Pressurization of the pneumatic crossover manifold and use of an external air source connected to the aircharging valve manifold to pressurize the reservoirs for ground maintenance is the second method.
B
You can use the second method to pressurize crossover manifold and use an external air sourceconnected to the air charging valve" manifold to pressurize the reservoirs for ground maintenance.
C
The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to usean external air source connected to the air charging valve manifold to pressurize the reservoirs for ground
maintenance.
答案解析
正确答案：C
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