In addition, mute oil free compressor USES air convection principle, to achieve the natural cooling effect.
另外，静音无油空压机采用空气对流原理，达到自然冷却效果。
By means of natural convection air-cooling burner spray and auxiliary ports installation, the load regulation range of the atmospheric burner with single port is extended.
通过采用空气自然对流冷却喷头、设置辅助火孔的方法，扩大了单火孔大气式燃烧器的负荷调节范围。
Triggering and evolution of winter-time natural convection cooling effect in fractured-rock revetment embankments of the Qinghai-Tibet Railway are investigated by means of an air-flow function.
导出适用于变渗透率多孔介质的无量纲控制方程，并针对青藏铁路工程建设，分析了碎石护坡路堤冬季自然对流降温效应的产生和演化过程。
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