Comparing with polyurethane, the prospects of the applications of isobutene telechelic oligomer are presented.并与聚氨酯材料相比较;说明了聚异丁遥爪预聚物的主要应用前景.Tert - octylamine was prepared with di - isobutene and hydrocyanic acid as mine ...
第三方所作的从中调解的一切努力均告失败All efforts of mediation by a third party were in vain at all.所有调解的建议均遭拒绝.I 5 eIFn ; 9 midI ` eFEn / n [ U ]: All offers of mediation were rejected.第三方所作的从中调解的一切努力均告失败.All efforts of mediation by the t...