双层玻璃窗可在冬季保持室内温度。

Double glazed Windows keep in heat during winter.

youdao

最近我们给房子装了双层玻璃窗。

We recently had our house double- glazed.

youdao

最近我们给房子装了双层玻璃窗。

We recently had our house double- glazed.

youdao