Osram Opto Semiconductors has revealed the first light emitting diode (LED) to achieve more than 1000 lumen -- brighter than a 50W halogen lamp, claimed the company.是什么意思_Osram Opto Semiconductors has revealed the first light emitting diode (LED) to achieve more than 1000 lumen -- brighter than a 50W halogen lamp, claimed the company.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句