radio navigational instruments
无线电导航仪器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Out of that weight as much as possible is wanted for fuel, radio navigational instruments, passenger seats, or freight room, and, of course, the passengers or freight themselves.
在体重尽可能通缉燃料，无线电导航仪器，乘客座位，或货物的房间，当然，乘客或货物本身。
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