[想像] 火山罩
簡單來說
在火山口上方二十公尺 利用水泥或高強度耐熱材料擋住火山口
讓火山在噴發的時候 火山灰不至於直衝對流層
而只從旁流出
這樣火山灰就不會危害全球了...
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◆ From: 123.192.83.91
※ 編輯: meblessme 來自: 123.192.83.91 (04/17 12:05)
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