北京华德型截止阀 不锈钢DVP12-3-10B/，不锈钢DVP20-3-10B/， 无锡市昌林自动化科技有限公司

p1Src=//y3.yzimgs.com/uploads/876/2022326-22522336.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast