Take it as an thermal physics experiment
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送交者: gyro 于 2011-01-27, 09:50:16:
回答: 得看什么样的气候,有大风,那就是的确良衬衫。 由 booksbooks 于 2011-01-27, 03:47:22:
Only two layers, wool and regular fibre. Wool is the main thermal insulation material, fibre is a good heat conductor but does not allow air flow through it. Then wool inside is better, because the only difference is convection is reduced.
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