Firstly, the thesis finished the design of the second stage of technical improvement scheme, including selection of control system, connection of network and hardware configuration.
论文首先介绍二期改造系统设计方案，包括系统的选型、计算机网络的连接和硬件的配置。
The selection of technical scheme one of is the keys to optimal drilling in the whole drilling ope-ration.
在优化钻进中，技术方案的选择，是整个钻进过程的关键之一。
The welding scheme and selection of welding wire development of welding equipment and torch, the analysis to the technical problems with procedure and how to solve them are included.
其内容有焊接方案及焊丝的选择、焊接设备及焊枪的研制以及对工艺技术问题的分析和解决措施。
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