LED、节能灯、白炽灯亮度对比1W LED=3W CFL(节能灯）=15W白炽灯3W LED=8W CFL(节能灯）=25W白炽灯4W LED=11W CFL(节能灯）=40W白炽灯8W LED=15W CFL(节能灯）=75W白炽灯12W LED=20W CFL(节能灯）=100W白炽灯这个是个...