lumenn.内腔;流明(光流的强度单位)
lumen diameter直径
Lumen of artery动脉腔
lumens per watt每瓦流
lumen-loading细胞腔加填法
lumen equivalent流明当量
lumen efficiency流明效率
lumen sensitivity流明灵敏度
lumen maintenance光通维持率
lumen of bile duct胆管腔内
lumen staple fibre空心人造棉