【摘要】 通过实地调研、信息采集、问卷调查等方式，调研了北京市矿物掺合料的生产、供应和使用情况，对一些关键问题开展了试验研究，从中发现了矿物掺合料多个环节存在的问题，进行了原因分析，提出了对策建议。更多还原

【Abstract】 Through field investigation, information collection and questionnaire survey, the production, supply and use of mineral admixtures in Beijing are investigated, and experimental research on some key problems is carried out. The problems in many aspects of mineral admixtures and the causes are analyzed, and countermeasures and suggestions are put forward.更多还原