Computer aided design of steering clutch in the bulldozer based on three-dimensional design software MDT was studied in theories. And the realism significance of this method was discussed.

以三维设计软件MDT为平台，对推土机转向离合器的计算机辅助设计系统的构成和功能特点进行研究，并分析使用这种系统的现实意义。

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Both design efficiency and quality were greatly enhanced with this three dimensional model software.

据此开发的三维模型软件，将更大地提高设计效率和质量。

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In piping design, adopting three dimensional model software is an inevitable trend.

在配管设计中采用三维模型软件是必然趋势。

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The Ecosign team fired up AutoCAD, a design software used by architects and engineers to sketch three-dimensional project drafts, and used PCs to plug in technical numbers for Olympic courses.

WSJ: Paul Mathews of Ecosign, Scouting the World for Killer Ski Slopes | Creating