Window units are generally made of wood or metal.

窗构件通常用木材或金属制成。

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Ms. Kennedy now cools just the three rooms she uses most in her San Antonio home, with window units set at 78 degrees.

现在，住在圣安东尼奥的瑞芭只在最常用的三个房间使用窗式空调，温度调为25.5度。

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On the exterior, sharp triangular bay window units gives an interesting rhythmic order to the tower and expand the view for the small rooms.

酒店建筑外观的三角形广角窗，赋予整栋建筑饶富趣味的节奏感，同时也开拓小客房的视野。

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In some cases, it may be cheaper to replace the air conditioner altogether especially for smaller window units.

WSJ: Don't Wait to Service AC Units

With wall and window units, ask in advance about the price of service calls, labor and any parts.

WSJ: Don't Wait to Service AC Units

Window units were available, but by 1965, according to Carrier, only one out of 10 U.S. homes had central air.

CNN: Heat wave lesson: We take comfort for granted