An analysis of why the bleeding check valve of a 600 MW steam turbine-generator set couldn't readily shut during testing is being presented, together with means of improvement.
对进口某型号600 MW汽轮发电机组在进行试验时出现抽汽逆止阀关闭不到位现象进行分析，并提出了改进措施。
The testing method of acquiring the data guide lines is based on provision of GB8076-1997 including bleeding rate, slump, concreting time. ratio of compressive strength. shrinkage rate and so on.
获得数据指标的试验方法是根据GB8076 - 1997规定试验方法，包括：泌水率、坍落度、凝结时间差、抗压强度比、收缩率等。
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