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单选题
Distribution of cabin air on pressurized aircraft is managed with a system of air ducts leading from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling vents.
A
在有液压的飞机上，座舱空气的分配是由一系列管路实现的，管路连接到液压源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
B
在有座舱增压的飞机上，座舱空气的分配是由一系列管路实现的，管路连接到增压空气源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
C
在有液压的飞机上，座舱空气的分配是由一系列管路实现的，管路连接到增压空气源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
答案解析
正确答案：B
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