国产|L-苏氨酸 进口试剂采购网ABCAM主页

p1Src=//y2.yzimgs.com/uploads/469100/20161213-10202289.jpg?watermark/2/text/5LiK5rW35ouc5Yqb55Sf54mp5oqX5L2T5Yi25aSH5oqX5L2T5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast"

aa