Optical reflector: parabolic arch design, reasonable light distribution, surface anode under oxidation treatment, high-efficiently diffuse reflectance.是什么意思_Optical reflector: parabolic arch design, reasonable light distribution, surface anode under oxidation treatment, high-efficiently diffuse reflectance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句