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印尼当局在喷发后紧急关闭方圆200公里空域,这一决策背后是航空安全与经济损失的艰难权衡。火山灰扩散模型显示,直径小于2毫米的微粒可在高空悬浮数周,即便浓度降至每立方米0.2克,仍会对引擎造成不可逆损伤。这种肉眼难辨的“空中地雷”,迫使现代航空网络在火 ...
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