分析了对后拖式机翼型叶片的叶尖进行适当切割，可以提高全压效率的原因。
The way to improve total pressure efficiency by appropriate inclined cut of airfoil blade tip was studied.
试验结果表明机翼型叶片在全压效率、稳定运行范围及高效运行范围比相应的板型叶片具有优越性；
The measurements show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, stable operation range and high efficient operation range.
该系列旋压机床功能全、性能稳、效率高，可实现除装卸料以外的多道次旋压自动循环。
It is featured with complete function, stable performance, high efficiency. The automatic circulation of multipath spinning can be realized except loading and unloading.
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