气动高压球阀德国威肯硬密封不锈... 青岛威肯自动化科技有限公司

p1Src=//y2.yzimgs.com/uploads/539008/20191028-144322694.jpg?watermark/2/text/6Z2S5bKb5aiB6IKv6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"