直径1.8mm针孔直管光学内窥镜天津供应直径1.8mm 图片

p1Src=//y1.yzimgs.com/uploads/375860/201656-15236845.jpg?watermark/2/text/5aSp5rSl5ZOB5bCa5Luq6KGo6K6-5aSH5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"