Finally, the new technique limit of maintenance, an economical maintenance cycle and revaluation cycle are put forward according to the results of safety evaluation.
最后，根据管道安全评估结果，提出了新的管道腐蚀大修技术界限，确定经济维修周期及再评估周期。
By site evaluation and mutual agreement of Safety, Maintenance, Production and Engineering, areas may be designated Shop Areas on construction or field fabrication projects after proper evaluation.
经过场所评估和安全、维修、生产和项目工程师的一致同意，在正确的评估后在建筑物或安装工程场可能指定为（维修）车间区。
Therefore, detection, evaluation and reinforce of Bridges have become one important guarantee that ensures safety maintenance and normal use of it.
于是桥梁结构的检测、评估和加固就成为结构安全养护、正常使用的保证措施之一。
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