工程塑料机身，使机器更加轻巧。
Engineering plastics fuselage, make the machine light and more handy.
这或许是事实：毕竟连空客都选择学波音，将传统机身换成了新型的塑料机身。
This may yet prove to be true, as even Airbus has opted to follow Boeing, switching to plastic in its new aircraft.
其他突出的差距包括，TL 220为塑料机身，而TL 225则为铝制机身。
Other notable differences include the TL220's plastic casing compared with the TL225's aluminum.
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