而该净化流量在电站维修或冷停堆期间起着非常大的作用，改进停堆余热冷却系统，提高化学容积控制系统净化流量成了当务之急。
Since the purification flow plays an important role during NPS maintenance or refueling cold shutdown, the RRA system of Daya Bay NPS must be modified in order to increase the purification flow.
本文介绍了新型容积定量装置的结构特点，工作原理和主要部件的结构设计及控制系统设计。
This paper introduces the structural characteristics working principle and main parts structural and control design of the new type volume quantitative unit.
本文介绍了新型容积定量装置的结构特点，工作原理和主要部件的结构设计及控制系统设计。
This paper introduces the structural characteristics working principle and main parts structural and control design of the new type volume quantitative unit.
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