美国德威尔原厂近口 Magnehelic®差压表 2000 北京艾凡鹏仪表有限公司

p1Src=//y3.yzimgs.com/uploads/364506/2018612-14364254.gif?watermark/2/text/5YyX5Lqs6Im-5Yeh6bmP5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y2.yzimgs.com/uploads/364506/2018612-14368507.gif?watermark/2/text/5YyX5Lqs6Im-5Yeh6bmP5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y2.yzimgs.com/uploads/364506/2018612-143613915.gif?watermark/2/text/5YyX5Lqs6Im-5Yeh6bmP5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast