producing way of literature 文学生产方式 producing graphs with parameter way 参数式绘图 A New Way on Producing Oxalic Acid by Using Wood Chip 木屑制取草酸新法 ..
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该系统提高了产品设计质量、缩短了产品设计时间、改进了产品设计过程，为后续钢绳芯带式输送机参数化绘图奠定了基础。
The system, which can improve the quality of the belt conveyors, save the design time, is a necessary part of the parametric drawing system of steel-cored belt conveyors later.
该系统完成了对典型制冷装置的换热器部件，如板管式蒸发器、单脊翅片管式蒸发器、箱壁式冷凝器的参数化设计和绘图；
The system implements the parametric design and drawings of many typical kinds of refrigerating parts, e. x. the plate-tube evaporator, the single back-fin evaporator and the box condenser.
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.
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