shut-down maintenance

基本解释

When the pumps are shut down for maintenance or fresh-water flushing, massive amount of water can backflow through the pipes, damaging the pumps.
当泵关闭进行维护保养或用淡水进行冲洗时，大量的水就可能通过管道回流，从而损坏泵。
It is very little for a continuous polyester production line to be shut down. And the shut-down time is a good chance to do maintenance and remove its possible defaults.
连续性生产的聚酯装置全线停产是非常难得的，它是进行全面检修和消除隐患的绝佳机会。
In this article, with the analysis of several accidents of tubular heater used in heating net due to the poor maintenance during shut-down period, the correct maintenance methods were summarized.
通过对管壳式热网加热器由于停运时维护不当造成的几起事故进行分析，总结了若干热网加热器停运时的维护与保养方法，以供热电厂参考。