随着市场经济的发展，济南钢铁集团总公司（简称济钢）在实施低成本战略，全系统节能降耗的过程中，对各种物资和能源量计量数据的准确性提出了更高的要求。为使计量数据真正起到指导生产、节能降耗的作用，济钢计量处提出了以“四流”、“三技”（四流：即物资流、能源流... With the development of market economy, Jinan Iron and Steel Group Corporation (hereinafter referred to as Jinan Iron and Steel) in the implementation of low-cost strategy, the whole system of energy saving process, a variety of materials and energy measurement accuracy of the data put forward higher requirements . In order to make the measurement data really play a guiding role in producing and saving energy and reducing consumption, Jigang Metrology Division has put forward the principle of “four flows” and “three technologies” (the fourth flow: material flow, energy flow ...