The article describes the assembly of positioning keys on reactor pressure vessels and put forth an assembly procedure of good workability, simple operation and high reliability.
论述反应堆压力容器定位键安装过程，提供了一种工艺性好、操作简单、可靠性高的安装方案。
Process planning is an important link of assembly procedure planning because it will affect the assembly labor intensity and efficiency of the assembly operation on a single-position.
工艺规划是装配过程规划中的一个重要环节，影响着单个工位装配操作的劳动强度与工作效率。
Soldering seal is one of the most important processes in the flywheel assembly procedure. Appropriate distribution of temperature field is needed to ensure the quality of the soldering.
密封焊接是飞轮装配的关键工序，为了保证密封焊接的质量，需要确定焊接过程中飞轮的温度场分布情况。
Product assembly model is a product model that supports designs of concept, part and assembly, and illustrates assembly procedure of giver product.
产品装配模型是支持产品从概念设计、零件设计，到装配设计的产品模型，描述了给定产品的装配过程。
It is the foundation of selecting assembly device and fixture, and the basis of realizing assembly procedure simulation. So assembly sequence planning is worthy of researching.
装配序列规划是装配工具、夹具规划的依据，是装配过程仿真的基础，所以研究装配序列规划具有重要的意义。
This dissertation starts with the classification of familiar tools in assembly procedure and studies the construction and management of tool library with hierarchical structure in virtual environment.
本文从装配和拆卸过程中常用的装拆工具分类入手，对虚拟环境下具有层次结构的装拆工具库构建、管理进行了研究。
Assembly Procedure is completed.
组装程序已经完成。
Assembly Procedure is completed.
组装程序已经完成。
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