For example low-pressure heater and deaerator automatic regulators could not be put into automatic operation according to original design scheme.
就其低加组及除氧器水位自动调节系统而言，按其原设计的方案是无法投入自动的。
Through analyzing the preliminary design scheme of original water conveyance project, this paper makes comparison and selection of several schemes, and determines the water conveyance scheme.
通过对原输水工程初步设计方案的分析，对多个方案进行了比选，并确定了输水方案。
Several problems existing in the original design are analysed, the transformation measure and scheme is put forward, and the effect after transforming is introduced too.
分析了原设计中存在的问题，提出了改造措施和方案，并介绍了改造后的效果。
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