法兰硬密封蝶阀 D943H-16C,D943... 无锡市昌林自动化科技有限公司

p1Src=//y3.yzimgs.com/uploads/386395/201887-143529716.jpg?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center"

aa