It has been a knotty problem to coordinate the erection and commissioning of large thermal power units and to guarantee the progress of commissioning and trial operation.
如何协调大型火力发电机组的安装和调试关系，保证机组调试和试运的进度，一直以来是相当棘手的问题。
Furthermore, the analysis and discussion have been done on the problem of making an active correction to the formwork erection elevation of the main beam and cable force.
并对主梁立模标高和斜拉索的张拉索力的主动修正问题进行了分析和讨论。
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