IN building fires@ smoke often flows to locations remote from the?fire@ threatening life and damaging property. Stairwells and elevators frequently fill with smoke@ thereby blocking or inhibiting evacuation. Smoke causes the most deaths in fires. Smoke includes the airborne solid and liquid particles and gases produced when a material undergoes pyrolysis or combustion@ together with the air that is entrained or otherwise mixed into the mass.
HVAC APPLICATIONS IP CH 52-2003由ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc. 发布于 2003-01-01,并于 2007-07-10 实施。
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