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氦气为什么可以充入热气球内使用

时间:2020-9-11 17:15:04 点击: 次 来源:

                     氦气是一种无色、无味、无毒的不可燃烧气体,可储存于气瓶中的高压气体,在常温下为气态。它是除氢气以外密度最小的气体。因为氦气的密度小,所以当我们把氦气充入热气球内,那么它有什么优势呢?下面小编简单的和大家分享一下,希望对大家有所帮助。


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