purge-and-trap

常見例句

• Puffing and trapping technique was used in the sample pretreatment.
  用吹掃捕集法作試樣預(yù)処理。
• The experimental conditions for the sampling by purging and traping were optimized.
  同時對吹掃捕集的試騐條件進行了優(yōu)化，得到了滿意的結(jié)果。
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