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单选题
发动机起动，增压和防冰的气源来自：Air for engine start, pressurization and anti ice is sourced from
A
共同的引气总管A common manifold
B
左侧总管供发动机起动，右侧总管供防冰和增压。Left manifold for engine start and right manifold for anti-ice and pressurization
C
右侧总管供发动机起动，左侧总管供防冰和增压。Right manifold for engine start and left manifold for anti-ice and pressurization
D
APU总管。APU manifold
答案解析
正确答案：A
