Access to the pack downstream check-valves must be obtained from both outside and inside the aircraft. Two persons are recommended for this procedure.
必须同时从飞机外部和飞机内部接近组件下游单向活门。建议由两个机械员来完成此程序。
Access to the pack downstream check-valves must be obtained from both outside and inside the aircraft. Two persons are recommended for this procedure.
必须同时从飞机外部和飞机内部接近组件下游单向活门。建议由两个机械员来完成此程序。
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