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英汉例句

\ glycols的例句（glycols在句子中的用法）

glycols的例句（glycols在句子中的用法）

Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators. 以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.
A new process of Hydration of propylene oxide to glycols was introduced. 采用反应精馏新工艺由环氧丙烷水合制丙二醇.
Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared. 以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.

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