论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
分析了风扇传动带盘的工艺特性和工序，设计了模具结构，论述了其特点和工作原理。
The technologic property and working procedure of the driver of the automobile fan are analyzed, and the structure, character and working principle of the mold are described.
主要介绍褐煤的特性，论述了褐煤锅炉的设计要点及塔式锅炉的特点，说明了对于高水分褐煤锅炉采用塔式炉配风扇磨的优势。
It describes the advantage of using tower type matched with fan mill for lignite fired boiler-fan milling system has good drying capability and good adaptability for raw coal moisture.
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