The lavatory windows are made of translucent glass 厕所窗户是用半透明玻璃做的。
2.
Glass in building - fire resistant glazed elements with transparent or translucent glass products - classification of fire resistance 建筑用玻璃.带透明或半透明玻璃制品的耐火上釉元件.耐火性分级
3.
Glass in building - fire resistant glazed elements with transparent or translucent glass products - classification of fire resistance 建筑物中的玻璃.包括透明或半透明玻璃制品的防火玻璃元件.防火性能的分类
4.
Glass in building - fire resistant glazed elements with transparent or translucent glass products - classification of fire resistance ; german version en 357 : 2004 建筑用玻璃.有透明或半透明玻璃制品的耐火镶玻璃构件