Coal powder quality and air dynamic characteristics play an important role in the process of the steady combustion of boiler.
煤粉气流性质和炉内空气动力特性对锅炉的稳定燃烧起着重要作用。
The result showed that the dynamic characteristics of the air spring with auxiliary chamber are interrelated observably to the size of the throttle orifice.
研究结果表明：空气弹簧动态特性与节流孔孔口大小有着明显的关系。
The experimental results helped to study the dynamic characteristics of helical tube arrays in air cross flow.
这一实验结果将有助于进一步了解螺旋管管阵在横向气流激励下的振动特性。
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