SETRA西特可调式微差压开关 241 图片

p1Src=//y2.yzimgs.com/uploads/161186/2021414-175319678.png?watermark/2/text/5LiK5rW35Yqg5oOg5Luq5Zmo5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa