大气负氧离子自动监测系统 LED大... 深圳市宝安区凤翔科技经营部

p1Src=//y1.yzimgs.com/uploads/448429/201738-182657752.jpg?watermark/2/text/5rex5Zyz5biC5a6d5a6J5Yy65Yek57-U56eR5oqA57uP6JCl6YOo/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/Center"