这些工作完成后，再调用一组水泵将拱坝与堵塞间的水全部抽干，堤坝抢修工人们就可以进入现场进行堤坝的修复作业了。

That done, a second set of pumps evacuates the gap between the arch and the PLUG, allowing workers access to the site.

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摘要介绍了大型氨厂锅炉给水泵转子抱死事故的原因，对其进行分析，并对修复过程中采取的方法及技术措施进行了总结。

This article introduces the cause and analyses the accident of the rotor holding in death of the boiler feedwater pump summing-up the way and technique measure in the process of repairing.

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