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。
The position adjustment is both a key technology and difficult point for control of the ducted fan UAV.
涵道风扇无人机的姿态调整是其控制的一个关键点也是一个难点。
Applications:Good for 1:18 on road car, ducted fan power and with gearbox for high efficiency power system.
应用：合适1：18房车动力。函道风扇以及带减速齿轮的高效率动力系统。
Applications:Good for 1:18 on road car, ducted fan power and with gearbox for high efficiency power system.
应用：合适1：18房车动力。函道风扇以及带减速齿轮的高效率动力系统。
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