The energization of the aircraft electrical circuits starts a full test of the ventilation system. The test continues for 2 minutes approximately.
给飞机电路通电，将起动通风系统全测试。该测试将持续大约2分钟。
The energization of the aircraft electrical circuits starts a full test of the ventilation system. The test continues for 2 minutes approximately.
给飞机电路通电，将起动通风系统全测试。该测试将持续大约2分钟。
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