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单选题

APU 系统信息显示在EICAS的主页和状态页,'APU LCV OPEN'状态信息意味着:The APU system messages are shown on the EICAS primary and status pages. The 'APU LCV OPEN' status message means:

A
APU 防喘控制活门失效,APU 被限制在 17,000 英尺以下工作。Surge control valve failed. APU operation limited to 17,000 ft or less.
B
选择 APU PWR/FUEL 电门时,进气门不在指定位置。APU PWR/FUEL switch selected and inlet door not positioned.
C
APU 负载控制活门打开。APU load control valve open.
D
APU 起动机马达接通。APU starter motor engaged.

答案解析

正确答案:C
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