Some issues at items such as damage, failure, inspection and repairing technology flow diagram are discussed.

对损伤、故障、检验和修理工艺流程图等问题进行了分析讨论。

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The article introduces in detail the construction techniques of the material receiving, pipe installation, construction inspection and repairing treatment.

文章详细介绍了施工中对材料的接收、管道的安装、施工检查及修补处理等施工技术。

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This article introduces the failure situation, failure analysis, failure inspection and repairing on the basis of examples, also it illuminates the refitting for AC arc welding machines.

列举检修实例，详细叙述了交流弧焊机的故障现象、故障分析、故障检查与修理；介绍了交流弧焊机的改装。

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