Soft application for colour changing wall - washer units , with special protective louvres system not to affect inhabitants.采用可变换色彩的洗墙灯具, 加以不扰民的特殊保护的百叶窗系统.Theand exhaust the floor of cleaning room should consider use of ...

louvres的音标：louvres的英式发音音标为：['lu:vəz]louvres的美式发音音标为：['luvəz]...

...