手动高真空挡板角阀 GD-J-10/16/25/40/50KF 无锡市昌林自动化科技有限公司

p1Src=//y3.yzimgs.com/uploads/398001/202483-11355718.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4IA==/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast