英语词汇“downward light output ratio (of a luminaire)”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	downward light output ratio (of a luminaire)
释义	downward light output ratio (of a luminaire) 下半球照明具效率
随便看	pressure penetration pressure period pressure per stone pressure per unit area pressure per unit of area pressure pick-off pressure pick-up pressure pickup pressure piercing pressure- pightness pressure piling pressure pillow pressure pin pressure pipe pressure pipeline pressure piping pressure piston pressure plate pressure-plate pressure plate anemometer pressure-plate anemometer pressure plateau pressure plate flowmeter pressure-plate-force pressure plate roller 瑣瑤瑥瑦瑧瑨瑩瑪瑫瑬ごくごく【極極】ごくさいしきごくさいしき【極彩色】ごくしごくし【獄死】ごくしゃごくしゃ【獄舎】ごくしょごくしょ【極暑】ごくしょう