Surface proximity and swirl rotational speed are the two basic factors leading to flame lift-off asymmetry, but their influences on the flame lift-off length is not strong.
模拟的结果发现贴壁程度和涡流转速是产生火焰浮起长度不对称性的基础，但其对火焰浮起长度的影响并不显著；
The lift shaft has the advantage that since the lift shaft adopts a lifting mechanism, passengers can get on and off the bus more conveniently and easily.
本实用新型的有益效果是：由于是采用了升降机构，使得上、下车更方便、省力。
The lift shaft has the advantage that since the lift shaft adopts a lifting mechanism, passengers can get on and off the bus more conveniently and easily.
本实用新型的有益效果是：由于是采用了升降机构，使得上、下车更方便、省力。
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