分别对冷态条件下，无隙锥形旋流器燃烧室前扩压器内流场的分叉现象以及燃烧室内燃烧空间的流场分叉现象进行了数值模拟计算。

The numerical simulations of bifurcation phenomena in a combustor with a non slot conical swirler and in a diffuser fixed before the non slot conical swirler have been carried out.

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二手烟雾指人们燃烧卷烟、比迪烟和水烟等烟草制品时产生，并弥漫在餐馆、办公室或其他封闭空间内的烟雾。

Second-hand smoke is the smoke that fills restaurants, offices or other enclosed spaces when people burn tobacco products such as cigarettes, bidis and water pipes.

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在time 40，就可以开始看到大火在燃烧并最终占据整个空间。

At time 40, you can begin to see fires burning that eventually take over the space.

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