本文主要论述双速卷扬机的计算机辅助设计及软件开发。
The computer aided design procedure and relative software development about double-speed winch will be mainly described in this paper.
本文介绍了起重机卷扬机构计算机辅助设计系统。
This paper introduces the computer aided design and drafting system developed by using the microcomputer for the hoisting mechanism of cranes.
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