heating network短语¹⁴⁴⁹⁷²⁺² 基本例句 热网 This paper analyzes working state and energy consuming of circulating pump in heating network, states two technical parameters should be considered to set optimal circulating pump. 本文通过对热网循环泵工作状态和能耗的分析,指出优化设置热网循环泵应考虑的两项重要技术参数。 cnki