In the chemical mixing room, the ventilation facility should be installed 1 meter close to the floor for better convulsions;
在化学品混合车间，通风设备应该安装在离地面1米处以便更好的换气；
The indoor air quality of subway is potentially affected by ventilation facility, quality of fresh air, depth of station, and airflow composition.
通风设施、新风质量、站台地层深度、气流组份对地铁车站室内空气质量均会产生一定影响。
Facility has separate inspection area with inspection table and proper ventilation.
工厂有单独的检验区与检验台并且适当的通风设备。
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