roof light meaning in English

采光天窗
采光屋顶
车厢顶灯
天棚光

Prefabricated accessories for roofing - individual roof lights of plastics - product specification and test methods
屋顶层用预制附件.塑料单个屋顶灯.产品规范和试验方法
Prefabricated accessories for roofing - individual roof lights of plastics - product specification and test methods ; german version en 1873 : 2005
屋顶层用预制附件.塑料单个屋顶灯.产品规范和试验方法