透光率计 WTL-100 深诺仪器（深圳）有限公司

p1Src=//y2.yzimgs.com/uploads/197149/201739-151230949.jpg?watermark/2/text/5rex5Zyz5biC5a6d5a6J5Yy65LiJ6K-65Luq5Zmo5Luq6KGo57uP6JCl6YOo/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast