凯利公式计算讲解简介：The entire conference hall had a light blue tone, and the curtains were slightly closed, making the room a little dark. After pressing the switch next to it, the room suddenly glowed with gentle light.
The entire conference hall had a light blue tone, and the curtains were slightly closed, making the room a little dark. After pressing the switch next to it, the room suddenly glowed with gentle light.
