The Air Commodore briefed the bomber crew on their dangerous mission.
空军准将向轰炸机机组下达执行危险任务的各项指示。
Raise concerns with the crew if air circulation is shut off for an extended period.
如果机舱内空气长时间不流通，可以向机组人员提出你的顾虑。
The filtration system provides the crew with clean air free from fumes.
过滤系统使得全体人员能够呼吸到没有烟雾的清新空气。
The filtration system provides the crew with clean air free from fumes.
过滤系统使得全体人员能够呼吸到没有烟雾的清新空气。
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