该文介绍了水蒸汽喷射式真空泵CAD软件的体系结构，着重论述了喷射式真空泵参数优化、参数化绘图及两维零件图自动装配的实现方法。

This article introduces the structure of steam jetting vacuum system's CAD software, mainly talks about the method of its optimum design, parameter graph and automatic assembly.

youdao

介绍了水蒸汽喷射式真空泵CAD软件的体系结构，着重论述了喷射式真空泵参数优化、参数化绘图及两维零件图自动装配的实现方法。

This article introduces the structure of CAD software on steam jetting vacuum pump. Emphasis is given to its optimum design, parameter graph and automatic assembly.

youdao

介绍了塔器内梁型气体喷射式填料支承及其拱形板展开图，并通过详细计算给出了该展开图的曲线方程。

One kind of beam type gas injection packing support plate used in the column is introduced. The curve equation of the developed pattern of the arciform plate is presented.

youdao