Infection of Diffuse Reflection Factor of Test Plate to the Results of Photometric Characteristics Test for Motor Vehicle Rear - registration - plate Illuminating Device是什么意思_Infection of Diffuse Reflection Factor of Test Plate to the Results of Photometric Characteristics Test for Motor Vehicle Rear - registration - plate Illuminating Device在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句