Double glazing
01
双层玻璃, 隔音玻璃
windows or doors that are made with two panes of glass separated by a gap, which provides better insulation and soundproofing
例子
Double glazing helps reduce outside noise in busy areas.
双层玻璃有助于减少繁忙地区的外部噪音。
双层玻璃, 隔音玻璃
