This mode is used when full instrument landing system is available.
这种方式是在全仪表着陆系统正常时才使用。
The plane has UHF and VHF radios plus an instrument landing system.
飞机配备了UHF和VHF无线电以及仪表降落系统。
The plane has UHF and VHF radios plus an instrument landing system.
飞机配备了UHF和VHF无线电以及仪表降落系统。
The plane has UHF and VHF radios plus an instrument landing system.
飞机配备了UHF和VHF无线电以及仪表降落系统。
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