sample pretreatment

英 美
  • 试样预处理
  • pretreatment n.预先处理;粗加工;预清理
  • sample n.样品;样本vt.采样;取样;品尝,体验
    1. Puffing and trapping technique was used in the sample pretreatment.
      用吹扫捕集法作试样预处理。