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烃类裂解
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烃类裂解
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烃类裂解
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hydrocarbon cracking
烃类裂解
烃类化合物在高温下受热分解生成分子量较小的烃类,制取乙烯、丙烯、丁二烯和芳烃等基本有机化工产品的过程。
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shelterbelt system construction project in the upper and middle reaches of the Yangtze River in China
sheltered anchorage of fishing boat
sheltered housing
sheltered workshop
shelter-forest project in the north, northeast, and northwest China
shelter,vehicle and room for electronic equipment
shelterwood cutting
She Lun
shelving
shelving by content
shelving by form
shelving-circulating-Reading Integration
Shelyak
Shemoneh Esrei
shemu
She music
Shenandoah National Park
Shenbao Atlas
Shenbao Free Talk
Shen Baogen
Shen Baohuan
Shen Baoji
Shen Beifen
Shenbei Xinqu
Shen Bin
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