词语coupon
解释采样管
词性名词
coupon〔名词〕配给券,试样,试样管,试块详细»
coupon〔名词〕公债的息票详细»
coupon〔名词〕试样,金融证卷详细»
coupon取样管详细»
采样管coupon;sample tube;sampling tude详细»
采样管sampling nozzle详细»
采样管sampling tube详细»