可见光透反射率测试仪 可见光测试仪 BTR-1S 北京同德创业科技有限公司

p1Src=//y3.yzimgs.com/uploads/378650/20151231-1674380.jpg?watermark/2/text/5YyX5Lqs5ZCM5b635Yib5Lia56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast