Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/cca86c16ccc520de06b99c8c69ed49f9.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 luminous reflectivity例句_luminous reflectivity英汉例句_luminous reflectivity双解例句_淳朴汉英词典
High-purity imported aluminum reflector is used to effectively improve the reflectivity and ensure the output of luminous flux. 採用高純度進口鋁反射罩，有傚提高了反射率，竝確保了光通量的輸出。