A sash is the framework that holds the glass panes in a window. It can be part of a sliding window or a double-hung window, where two sashes move up and down. Sashes can be made from various materials, including wood, vinyl, or aluminum, and they often come in different styles to match the window design. In addition to providing support for the glass, sashes also play a role in the window's insulation and energy efficiency. Properly designed sashes help keep drafts out while allowing natural light to enter a space, enhancing both comfort and aesthetics.

“sash”的英语定义和含义

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