Spaceflight and aeronautics: Airplane wing defrosting devices, foodstuffs heating and preserving equipment, and life assurance devices.
航天、航空方面：可应用于机翼的除霜装置、食品加热及保温装置、生命保障装置等；
Spaceflight and aeronautics: Airplane wing defrosting devices, foodstuffs heating and preserving equipment, and life assurance devices.
航天、航空方面：可应用于机翼的除霜装置、食品加热及保温装置、生命保障装置等；
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