The main photosource illumination may reach above 1600LX, the vice-photosource may the long-term usage amount to for 40 hours.是什么意思_The main photosource illumination may reach above 1600LX, the vice-photosource may the long-term usage amount to for 40 hours.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句