But does the double distinction, and some simply took out part of the dissection of air, This double-glass insulation noise, it is better to air out some inert gases good.

• 但双层中又有区别,有的只是简单地抽出夹层中的一部分空气,这种双层玻璃的保温隔音效果,不如在抽出空气后加入一定惰性气体的好。