电流型新风专用PM2.5检测仪 PM2.5传感器 PML300-A 大连风华传感科技有限公司

p1Src=//y1.yzimgs.com/uploads/340733/20181216-18859748.jpg?watermark/2/text/5aSn6L-e6aOO5Y2O5Lyg5oSf56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y1.yzimgs.com/uploads/340733/20181216-183659233.jpg?watermark/2/text/5aSn6L-e6aOO5Y2O5Lyg5oSf56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast