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basic raw materials for organic industry
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basic raw materials for organic industry
Encyclopedia
工学
有机原料
释
basic raw materials for organic industry
基本有机原料
大宗、均质的有机原料。主要指乙炔、三烯(乙烯、丙烯、丁二烯)、三苯(苯、甲苯、二甲苯)、甲醇8个品种及其一级非聚合物衍生物。
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On Film Music
On Finger Painting
onflow
On Folk Literature
On Fu Prose Poems
On Gardening
On Generation and Corruption
Ong Keng Sen
Ongkor Festival
Ongniud Qi
On Golden Pond
On Governance
Ong qan
On Hatred
On Heavens
On Heroes,Hero-Worship,and the Heroic in History
On How to Collect Materials for Press Photography
On Human and Human's Liberation
On Identifying the Villain
O.Nikolaeva
On Inscriptions
ONIOM method
ONIOM方法
onion
onion aphid
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