When detected indications occur in the flight deck an alarm bell is provided by the aural warning devices unit M315 for a fire condition.
当在飞机蒙皮探测到火警信号时，音响警告设备M315将给出一个警告铃声。
When detected indications occur in the flight deck an alarm bell is provided by the aural warning devices unit M315 for a fire condition.
当在飞机蒙皮探测到火警信号时，音响警告设备M315将给出一个警告铃声。
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