短語詞組短語Back up lighting 備用照明back -lighting reduction [測]透光縮小Back Lighting Type 背光應(yīng)用系列directional back lighting 方向性背向打光back lighting detail 反向點燃fore stage back lighting 追光室Diffuse Back Lighting 擴散式背光源back lighting photocell 背面照明光電管 返回 back lighting