【摘要】 本文在试验和生产实践的基础上,论述了石膏和石膏混合料的重要性,简述了石膏和石膏混合料在试验和生产中的主要影响因素,提出了工艺指标和检验依据。更多还原

【Abstract】 In this article, the importance of plaster and mixture plaster,the key points of major factors affecting among the test and production the present of technical indexes and the basis for checking test besis in are investigated based on the test and productive experience.更多还原