Due to their simplicity, fan coil units are more economical to install than ducted or central heating systems with air handling units.
由于其简单，安装风机盘管机组更经济比导管或中央供暖系统空气处理单元。
Due to their simplicity, fan coil units are more economical to install than ducted or central heating systems with air handling units.
由于其简单，安装风机盘管机组更经济比导管或中央供暖系统空气处理单元。
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