双层玻璃

• pair glass
• double-glazing
• double glass

参考释义

双层玻璃

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例句

1. 那推销员说，如果我们安装双层玻璃窗的话，我们的暖气帐单就会完全不一样了。
   The salesman said it would make all the difference to our heating bills if we installed double glazing.