Flashlight - Wikipedia, the free encyclopedia

Flashlight - Wikipedia, the free encyclopedia

瀏覽:1396
日期:2024-07-08
A flashlight (North America; torch elsewhere) is a hand-held portable electrically-powered light source. Usually the light source is a small incandescent light bulb or light-emitting diode (LED). A typical flashlight consists of a light bulb mounted in a ...看更多