活套调节型调节真空球阀 GUD-40，图片

p1Src=//y1.yzimgs.com/uploads/375841/2023120-184327396.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa