碳钢法兰式高压球芯截止阀 QJH-10F,QJH-20F, 无锡市昌林自动化科技有限公司

p1Src=//y1.yzimgs.com/uploads/876/202368-20123729.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast