介绍了板坯连铸切割机节能降耗、维护、维修办法，以及切割机升降系统的改造。
This paper introduces the energy saving, maintenance and the methods of processing problems of cutting machine and the transformation to the jack-up system.
通过一连拱隧道应用，计算其衬砌碳化可靠度，提出了经济合理的维修方案，验证该方法的可行性。
The reliability of concrete carbonation is calculated and economic reasonable maintenance plan is selected by the analysis and predictive method for...
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