Sunshine678
無編輯摘要
08:28
+9
'''Lux''' ('''lx''') sī Kok-chè Tan-ūi Hē-thóng (SI) lāi chiò-tō͘ ê tan-ūi. :1 lx = 1 lm/m<sup>2</sup>= 1 cd·st… ê ia̍h í-keng kiàn-li̍p
+312
