介绍了对数螺旋线的相关知识，及其在自然界中尤其是在水利工程中的运用。
Logarithmic spiral line has been used more and more in practice, this paper give a general introduction of logarithmic spiral line.
这里概述的基础知识，可应用于任何螺旋桨任何给定的范围适当引擎。
The basics outlined here can be applied to any propeller range appropriate for any given engine.
希望您可以通过上面的文章学到一些关于单管螺旋输送机的知识，感谢您对我们网站的支持。
I hope you can learn something about the single screw conveyor through knowledge of the above article, thank you for your support to our website.
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