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单选题
638.飞机没有通电的情况下,能否检查气瓶压力( ) Can the cylinder pressure be checked on an unpowered aircraft ?
A
能,直接从气瓶的压力表上读出 Yes, on the direct reading pressure gage.
B
不能,ECAM没有电源 No, the ECAM is not powered.
C
能,只要飞机上有电瓶 Yes, providing the batteries are installed.
答案解析
正确答案：A
解析：
题目解析
答案:A
解析：飞机没有通电的情况下，仍然可以通过直接从气瓶的压力表上读出气瓶压力。因此，选项A是正确的。
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