ployed

英

美

(ploy 的过去时) n. 手段, 活动, 玩乐
ploy的过去式

双语例句

• Method of Delphi and correlation analysis were em ployed.
  研究方法：Delphi法，相关分析方法。
• In the production of polyurethane paint, pentaerythritol is em ployed in the place of alkyd resin.
  介绍以季戊四醇代甘油制聚氨酯漆醇酸组份的配方、工艺及树脂性能。