如图是1831年德国化学家李比希测定烃类有机化合物组成的装置。瓷管内有烃类样品,经加热分解或汽化后用纯氧气流驱赶经过灼热的cuo,在这里烃类 Template




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tomski如图是1831年德国化学家李比希测定烃类有机化合物组成的装置。瓷管内有烃类样品,经加热分解或汽化后用纯氧气流驱赶经过灼热的cuo,在这里烃类 coloring