先導式順序閥 PZ20-1-50B/，PZ20-1-30B/，PZ20-2-50B/，PZ20-2-30B/，
無錫市昌林自動化科技有限公司
p1Src=//y1.yzimgs.com/uploads/876/2022328-204240525.png?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast