Afterburner systems, designed to operate up to a stoichiometric overall mixture strength , are always fairly close to combustion instability or screech.
要使加力燃烧系统在理论化学组成量的总混合浓度下还在一直工作，这样的设计通常都很接近于不稳定燃烧或振荡燃烧。
The stronger air motions are helpful in organizing mixture strength distribution and then realizing lean mixture combustion in two-valve gasoline engines.
强化空气运动的结果有利于组织燃料在缸内的浓度分布，从而为在二气门汽油机上实现稀薄燃烧打下基础；
To analyze the features of the large-size asphalt mixture and the mechanism of strength formation and make a research on the gradation design of it.
分析了大粒径沥青混合料的结构组成特性和强度构成机理，对大粒径沥青混合料的配合比设计进行研究。
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