2025-11-01 10:31 浏览次数 8
n. (Presen)人名;(意)普雷森
presen huge business opportunities为……提供巨大商机
presen tation描述,陈述;介绍;赠送
at presen当时
design presen正在翻译
preparing a presen準备汇报
to presen提示要求付款
back to presen第六章
In the presen paper, a new formula for the preparation of polyvinyl acetal adhesive has been introduced.
报道了一种制备聚乙烯醇缩醛胶的新配方。