基本解释吹扫捕集同根派生 英汉例句Puffing and trapping technique was used in the sample pretreatment.用吹扫捕集法作试样预处理。The experimental conditions for the sampling by purging and traping were optimized.同时对吹扫捕集的试验条件进行了优化，得到了满意的结果。