热空气循环系统将热空气通过内部风道均匀送到封闭空间的每个地方，严格控制封闭空间内的温度及温度梯度。
Hot air circle device can evenly send hot air to everywhere of sealed space by inside passage, to control the internal temperature and gradient in sealed space.
这个机器使热空气通过对流来循环。
热空气可能会循环流动，从而保证新鲜农产品不会产生冷害或冻害。
Heated air may be circulated to keep fresh produce from incurring chilling or freezing injury.
因为热空气上升，冬季，吊扇使从天花板到地面之间的气体层循环来保持房间温暖。
Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the floor.
生物质锅炉用于给室内供暖，由一个机械通风设备和热量回收系统支持，这有助于使上升到天花板顶部的热空气进行循环。
A biomass boiler used to heat the interior is supported by a mechanical ventilation and heat recovery system, which helps to circulate warm air that rises to the top of the high-ceilinged Spaces.
电脑控制的内部空气循环系统将热空气从住宅的顶部运到地下室，通过砾石岩石储藏以生产延迟的热源供晚上使用。
A computerised internal air circulation system takes warm air from the top of the house to the basement via a gravel rock store to produce a delayed heat source for evening use.
该机工作原理是利用蒸气或电加热器加热空气，然后由加热的空气对物料进行循环干燥。
Its work principle is that used steam or electric heating air, then made a cycling dry with heated air.
采用低噪声风机和合适风道组成热风循环系统，干热空气直接经过受热物体干燥、灭菌。
Adoption of low-noise fan and suitable air channel that form the hot air circulating system, the heated dry air flows through the objects directly to dry and sterilize.
TP的风扇产生空气循环，驱散热空气和污染空气。
The TP fans produce air circulation that will keep an area from becoming stagnant with hot or polluted air.
该机工作原理是利用蒸汽或电加热空气，然后由加热的空气对物料进行循环干燥。
Its working principle is to use steam or electricity to heat air, then the heated air will carry out a cycling drying to material.
该机工作原理是利用蒸汽或电加热空气，然后由加热的空气对物料进行循环干燥。
Its working principle is to use steam or electricity to heat air, then the heated air will carry out a cycling drying to material.
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