This gantry type welding machine is an arc welding equipment developed for welding large box type construction of tens meters long.

本龙门焊机是为焊制几十米长的大型箱式结构件而研制的弧焊设备。

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This paper focus on the analysis of half-Through Tied Arches with Steel-Box Ribs, make useful conclusion, and aim at provide some reference for the construction of the same type Bridges in the future.

本文针对钢箱拱肋系杆拱桥进行整体稳定分析，得出了有益结论，可为日后同类桥型的施工提供一定的参考。

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The structure and construction method of one kind of distributed fault diagnosis system for box-type transformer substation based on multiple artificial neural networks are described.

提出了一种基于多神经网络的分布式箱式变电站故障诊断系统的结构和构建方法，并介绍了对故障特征信息进行模糊化处理的方法。

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