air flow, the movement of air (such as around the parts of an aircraft in flight)luồng khí, energy efficiency, using less energy to perform the same task or get the same job done(hiệu quả sử dụng năng lượng), heat conductor, a material that allows thermal energy to move through it quickly and easily., heat flow, the process of thermal energy moving from a region of higher temperature to a region of lower temperature.(sự truyền nhiệt)), resistant (to heat), used to describe materials that are unaffected by high temperatures.(chịu nhiệt hoặc bền nhiệt)

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