强制通风 [建] forced ventilation
- 利用机械通风强制抽排解决综放工作面由于尾巷坍塌冒落导致上隅角瓦斯超限问题,达到经济安全的目的。
The break and rall of tail entry may lead gas concentrated, machinery ventilation can be used to exhaust gas and achieve safety. - 夏季棚室有多种降温试验,处理分别为:通风降温(包括自然通风和强制通风),供试材料选择黄瓜;
The test treatments of cooling in the summer include: ventilating to lower the temperature (including natural ventilation and ventilation by force), choose cucumber for trying material; - 在强制热风和冷风系统中,通风管道将热空气的冷空气输送到家里不同的地方。
In forced-air heating and cooling systems, ducts carry hot or cold air to different parts of home.
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