单向节流阀 MK20G1.2B/2 ，MK30G1.2B/ ， 无锡市昌林自动化科技有限公司

p1Src=//y3.yzimgs.com/uploads/328469/202254-133350302.jpg?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast