放空气体在大气中的稀释速度和可燃气体浓度边界也与放空立管直径和高度有关。
The thinning velocity of blowdown acs and the boundary of flammable gas concentration are also relative to those.
已经完成了一系列的模拟实验，使用不同的孔隙度和高度的木材，为了研究隧道火灾燃烧过程的的可燃配置的影响。
A series of simulative experiments have been done using wood cribs with different porosities and heights in order to study the effect of combustible configuration on combustion process of tunnel fire.
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