取样袋法 method of sampling pocket: 取样袋法method of sampling: 采样方法; 抽样法; 抽样方法; 取样法sampling method: 采样法; 采样方法; 抽查法; 抽样法; 抽样方法; 器策法; 取样法; 取样方法; 制样方法sample method; sampling method: 取样法pocket type air sampling instrument: 袖珍空气取样仪下载手机词典可随时随地查词查翻译