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https://www.bihec.com/grlabs-/wp-content/uploads/sites/2047/2026/04/img_69cf7acc921cf.png515625进口代理G&R MODEL 202双通道紫外线光度计，202型紫外线强度计具有双通道功能，只需使用一个探头即可检测365纳米和400纳米这两种不同的紫外线波长。、 G&R Labs光度计、紫外光度计、G&R 测光仪，询价请联系许经理18001942024（微信手机同号）