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石油化工
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石油化工
Encyclopedia
工学
石油化工
释
petrochemical industry
石油化工
以石油馏分和轻烃为初始原料,生产化学品的流程制造业。
工学
[化工专家]
释
Petrochemical Technology
《石油化工》
北京化工研究院和中国化工学会联合主办的专业技术中文期刊。中国化工学会会刊。
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circumscribed
circumscribed circle
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circumscribed figure
circumscribed halo
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circumscribed polyhedron
circumscribed prism
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circumscribed quadrilateral
circumscribed regular polygon of circle
circumscribed sphere
circumscribed triangle
circumscribing
circumscribing cylinder
circumscriptable quadrilateral
circumscription
circumsolar
circumsolar flight
circumsolar orbit
circumsolar satellite
circumsolar space
circumsolar trajectory
circumsphere
circumstances of eclipse
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