Ventilation is extremely poor, making the factory hot and humid in summer, often causing fainting among employees.
通风设备也极为简陋，这使得夏天的工厂里又热又潮湿，弄得职工中常常有人晕倒。
The factory USES geothermic energy, natural lighting and natural ventilation.
该工厂使用地热能源，自然采光和自然通风。
De sign of the purification of air conditioning and ventilation system in the transformer factory was introduced.
介绍了该互感器厂净化空调及通风系统的设计。
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