液、手动紧急切断阀 SDYD421F 图片

p1Src=//y1.yzimgs.com/uploads/537303/2019510-1649576.jpg?watermark/2/text/5rC45ZiJ5ZiJ5LuV6L6-6ZiA6Zeo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"