qbe1.7铍青铜的硬度 qbe1.7铍青铜... 东莞市茂腾金属材料有限公司

p1Src=//y3.yzimgs.com/uploads/531072/2018710-94715925.jpg?watermark/2/text/5Lic6I6e5biC6IyC6IW-6YeR5bGe5p2Q5paZ5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"