517型单气动弹簧复位自控球阀OMALS517H064,S517H065,S517H066,S517H067,S517H068,S517H069
无锡市昌林自动化科技有限公司
p1Src=//y1.yzimgs.com/uploads/328469/201695-13645621.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast