核爆炸的当量肯定不止21吨的TNT，并不是只有核爆炸才产生蘑菇云。
2 3nuclear would release more that 21 tones of TNT equivalent and mushroom clouds aren 'exclusive to nuclear explosions.
核爆炸的当量肯定不止21吨的TNT，并不是只有核爆炸才产生蘑菇云。
2 3nuclear would release more that 21 tones of TNT equivalent and mushroom clouds aren 'exclusive to nuclear explosions.
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