Lofty rooms are therefore difficult to heat because the warm air ascends towards the ceiling.
冬天，比较高的屋子一般来说不容易加热，这是因为热空气都跑到天花板去了。
Ceiling ducts to direct the air from the blower to the rear of the trailer.
顶部输送管会将空气从风扇吹送到拖车后面。
Thee area must have constant air movement: Ceiling fans, wall fans, roof vents, etc.
核实工厂的生产区域是否有相关设施来确保经常性的空气流通：如吊扇，壁扇，楼顶通风口等。
Tower 1 at core end the whole ceiling is an air grille.
在芯筒尾部的1号楼整个吊顶都是通风格。
New ceiling, new shop front, air conditioning.
更换天花板、门面，空调等。
The displacement system, combined with cooling ceiling panel, is a new kind of air-conditioning system.
置换通风与冷却顶板结合是一种新型的空调方式。
The displacement system, combined with cooling ceiling panel, is a new kind of air-conditioning system.
置换通风与冷却顶板结合是一种新型的空调方式。
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