Abstract: by ventilation and air conditioning ventilation and air conditioning engineering systems.

摘要：通风空调工程由通风系统和空调系统组成。

youdao

Methods Air samples were collected by randomized sampling, and detected the hygiene indexes based on Specification for hygiene Management Central Air Conditioning Ventilation System of Public Place.

方法采用随机抽样调查，依据《公共场所集中空调系统卫生规范》对空调系统的通风量、管道积尘等指标进行采样检测。

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Retrieve unconditionally the latest temperature and humidity sensor readings and, during the summer season, activate external ventilation or air conditioning based on the following conditions

无条件地获得最新温度和湿度传感器读数，在夏季，基于以下条件激活外部通风或空调

youdao

His study focused on the cost-effectiveness and productivity of "comfort control" systems regulating heating, ventilation and air conditioning.

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The ship generates and distributes its own power, provides and maintains sanitation, heating, ventilation and air conditioning systems, and makes several hundred thousand gallons of water every day from sea water.

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Rupert said the same chlorine dioxide treatment will be used on the building's heating, ventilation and air conditioning system (HVAC), where spores had been found after the letter was opened in Daschle's office.

CNN: Fumigation largely succeeding in clearing anthrax