Your oxygen mask is in the service compartment over your head and it will automatically drop while there is decompression.

您的氧气面罩储藏在您头顶上方，在客舱失压时，会自动落下。

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The locations of the components provide significant improvements in operation, compartment size, maneuverability, safety, and service.

部件提供的位置具有很重要的意义提高操作、包房大小，可操作性、安全、服务等。

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