德威尔DM2000系列差压变送器 DM2000 北京艾凡鹏仪表有限公司

p1Src=//y2.yzimgs.com/uploads/364506/2018123-9057112.jpg?watermark/2/text/5YyX5Lqs6Im-5Yeh6bmP5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y1.yzimgs.com/uploads/364506/2018123-91354.jpg