高压空气减压阀 QFRH-10 (G3/8)，QFRH-15 (G1/2)，QFRH-20 (G3/4)，QFRH- 无锡市昌林自动化科技有限公司

p1Src=//y3.yzimgs.com/uploads/876/202245-0258545.jpg?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast