油烟浓度监测 K29 图片

p1Src=//y1.yzimgs.com/uploads/387036/201716-1449767.jpg?watermark/2/text/5bm_5bee5Y2a5o6n6Ieq5Yqo5YyW5oqA5pyv5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"