spectrum透析袋MD8（截留分子量8... 佰易聚生物商城

p1Src=//y2.yzimgs.com/uploads/344714/2016125-131958484.png&p2Src=//y3.yzimgs.com/uploads_old/344714/2010111213200914_old_1.jpg&p3Src=//y3.yzimgs.com/uploads_old/344714/2010111213200914_old_2.jpg"

aa