扬尘在线监测系统（β射线）AR1900 图片

p1Src=//y3.yzimgs.com/uploads/541285/2022321-162636262.png?watermark/2/text/5rKz5Y2X55yB6ZGr5bGe5a6e5Lia5pyJ6ZmQ5YWs5Y-4572R6ZSA6YOo/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"