摘要: amL气态烃混合物与足量的氧气混合点燃爆炸后.恢复到原来状态.体积共缩小amL.则气态烃的可能组合是: A. CH4.C2H4.C3H4 B. C2H6.C3H6.C4H6 C. CH4.C2H6.C3H8 D. C2H4.C2H2.CH4

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