北京艾凡ＡF-100X型经济小巧差压表 AF-100X 图片

p1Src=//y3.yzimgs.com/uploads/364506/2017517-16581833.jpg?watermark/2/text/5YyX5Lqs6Im-5Yeh6bmP5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa