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火药
家里面是不是越到过年越容易吵架?家里人平时各忙各的,过年聚在一起,容易磕磕碰碰,一不小心就点燃火药
问与答
•
henryhu
•
Feb 12, 2021
• Lastly replied by
Track13
16
忽略空气阻力和引力,火药爆炸的加速度是单调递减,还是先暴涨,再递减?
问与答
•
rogwan
•
Sep 1, 2020
• Lastly replied by
JiaYixian
15
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