We've measured air quality and taken a questionnaire in an underground emporium and found that the temperature was a little high and the fresh air volume was shortage, etc.
本文通过对某地下商场空气品质的测试及问卷调查，得出该商场存在着温度过高、新风量不足等问题。
Controlled cycle ventilation is a new ventilation system. We could increase the effective volume of wind at work face without increasing the total volume of fresh air in the mine.
受控循环通风是一种新型的通风方式，在不提高矿井总的新鲜风量的同时，就能提高工作面的有效风量。
Based on the above, some measures were put forward in many aspects such as the reduction of air volume flow and the fresh air, optimization control, operation management and so on.
并在此基础上，从洁净风量与空调风量分离、减小系统送风量、新风量、优化控制及运行管理等多方面多角度，提出了具体节能的思路、方法和措施。
Adopts variable air volume (VAV) air conditioning system in the building. Analyses the control strategies for fresh air supply.
该大厦采用变风量空调系统，对变风量空调系统新风供给的控制方式进行了分析。
When calculating the amount of fresh air required to dilute smog, mass or volume concentration is introduced into the formula to replace the old smog concentration;
依据稀释烟雾计算隧道需风量时，在公式中应引入烟雾的质量浓度或烟雾的体积浓度，并用其替代公式中的一般烟雾浓度；
This paper also proffer form some original opinions about the adjustment operating mode of the fresh-air volume in the air-conditioned systems .
并对不同系统新风的节能运行调节措施提出了自己的看法。
This paper also proffer form some original opinions about the adjustment operating mode of the fresh-air volume in the air-conditioned systems .
并对不同系统新风的节能运行调节措施提出了自己的看法。
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