工作前应开启通风设备，打开室内的门窗保持室内通风良好。
Before work should open ventilation equipment, open indoor door window maintain indoor ventilation.
“尽量不要出门，呆在室内。关好窗户，不要开通风机，保持室内不通风。也不要在室外晾衣服，”他建议。
“Please do not go outside. Please stay indoors. Please close windows and make your homes airtight. Don't turn on ventilators. Please hang on your laundry indoors,” he said.
在节约能源、保持良好的室内空气品质双重压力下，全球科学家，特别是欧洲科学家，开始重新审视自然通风技术。
Under the dual pressure of saving energy and keeping good indoor air quality, scientist all over the world, especially European scientist, start to survey the natural ventilation technique over again.
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