Four-chip versions produce 280 lumens with a lens and 200 lumens without a lens, in each case at an operating current of 700 mA and an output of 10W.是什么意思_Four-chip versions produce 280 lumens with a lens and 200 lumens without a lens, in each case at an operating current of 700 mA and an output of 10W.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句