"When you lie on the floor of an aircraft, you notice a lot of unused space above you," he says. "Even when you're sitting in a plane, there's all this unused empty space above you."
他补充道，当你坐在飞机上时，这些未被利用的空间就在你的头顶。
The room they entered was the size of a medium-sized aircraft hangar, and was almost empty.
房间他们进入是中型的飞机飞机库的大小，而且几乎空。
Structures of aircraft composite parts include honeycomb, inner contained part, inner empty part, and layered etc.
飞机复合材料零件结构分为蜂窝结构、夹心结构、空心结构、夹层结构等。
When there are empty seats, it's tempting to move, but there may be passengers still on their way to the aircraft.
有空座位时，有可能换座，但也有可能其它乘客仍在赶往飞机的路上。
Additionally, the empty weight of the aircraft has been reduced by about 700 kg through the use of composite materials.
此外，通过复合材料的应用，新机的空机总重量降至了700公斤。
Additionally, the empty weight of the aircraft has been reduced by about 700 kg through the use of composite materials.
此外，通过复合材料的应用，新机的空机总重量降至了700公斤。
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