三位五通先导型电磁阀 SY7420-4LZD-02 AC220V 插座式，SY7420-5LZD-02 DC24V 插座式 无锡市昌林自动化科技有限公司

p1Src=//y1.yzimgs.com/uploads/876/2022425-203518765.jpg?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast