presense

presense

 英

  • 网络预警系统;安全系统

例句

An epoxy modified acrylic emulsion was prepared at the presense of salt formed by epoxy resin and acrylic resin.

采用环氧树脂丙烯酸树脂方法水性丙烯酸树脂

I'll sign in the presense of all the representatives.

当着所有代表签字

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