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为什么厨房里的排风扇总是装在高处？
厨房里的排风扇总是装在高处，主要是因为热空气和油烟上升的特性、提高排风效率以及避免儿童触碰。
1、热空气和油烟上升：烹饪过程中产生的热空气和油烟会自然上升，将排风扇安装在高处可以更有效地捕捉并排出这些气体，避免其在厨房内扩散。
2、提高排风效率：高处安装可以形成更顺畅的气流通道，使排风扇的吸力覆盖更大的范围，从而提高排风效率，减少厨房内的异味和湿气。
3、避免儿童触碰：排风扇安装在高处可以有效防止儿童因好奇而触碰设备，降低安全隐患，同时避免设备受到意外损坏。
总结：厨房里的排风扇总是装在高处，主要是因为热空气和油烟上升的特性、提高排风效率以及避免儿童触碰。
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