金（金）单晶衬底：<111>，10x10x0.5 mm，1面抛光图片

p1Src=//y3.yzimgs.com/uploads/423011/2020317-11250773.png?watermark/2/text/5LiW6IGU5Y2a56CU77yI5YyX5Lqs77yJ56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast"

aa