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单选题
288.APU燃油供油顺序是( ) What is the Fuel Supply sequence ?
A
先主燃油供油,再次燃油供油 Primary flow then secondary flow.
B
先次燃油供油,再主燃油供油 Secondary flow then primary flow.
C
主,次燃油供油所有时间都同时进行 Primary and secondary flow all the time.
答案解析
正确答案：A
解析：
APU燃油供油顺序是什么？
解析：正确答案是A，即先主燃油供油，再次燃油供油。在APU启动时，通常会先从主燃油供油，一旦APU稳定运行，会切换到次要的燃油供油。这样的顺序有助于确保APU的正常运行和燃油供应的稳定性。
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