高压球芯截止阀 QJH-50WL，QJH-5... 无锡昌林自动化科技有限公司

p1Src=//y2.yzimgs.com/uploads/876/2022418-22546808.png?watermark/2/text/5peg6ZSh5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa