有誰知道噴射火焰的原理和製作方法? - 社會議題
By Annie
at 2009-08-24T00:00
at 2009-08-24T00:00
Table of Contents
請問噴射火焰裡面的燃料是什麼?為什麼火焰會有推力?讓物體衝出去噴射火焰要怎麼樣製作?製作需要什麼材料?還有噴射火焰在水裡不會熄滅的原因是什麼?
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By Franklin
at 2009-08-26T12:10
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