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propadiene
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propadiene
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丙二烯
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propadiene; allene
丙二烯
最简单的含累积双键的烯烃。常与丙炔共存于石油裂解制乙烯过程中产生的碳三馏分中。分子式CH2═C═CH2。
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Heze
He Zehui
Heze Museum
He Zenglu
Heze Shi
Hezhang Kele Yizhi
Hezhang Xian
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Hezhe Nationality in Lower Reaches of Songhua River
He Zhenbang
Hezhen costume
He Zhendai
Hezhen dance
Hezheng fauna
Hezheng Paleozoological Museum
Hezheng Xian
Hezhen language
He Zhenliang
Hezhen literature
Hezhen music
Hezhen Telungu legend and tale
He Zhenyi
Hezhen Yimakan storytelling
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