BD培养基 218105 500 g EA Difco Buffered Peptone Water Preenrichment 缓冲蛋白胨水 
日本和光纯药WAKO
罗氏Roche kapa Cytiva whatman代理商金畔官网
BD培养基 218105 500 g EA Difco Buffered Peptone Water Preenrichment 缓冲蛋白胨水