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(三)次中心质向微中心质、微介质的变化;关于微介质向微中心质的变化问题用图解表示为:1.次中心质向微中心质微介质的变化 这个变化也就是水泥的水化硬化作用。近百年来,讨论水泥水化硬化问题的
(c) Changes in microcentricity and micromedia from microcentric to microcentricity; the question of changes in micromedia to microcentrifuges is graphically expressed as follows: 1. Changes from subcentric to microcentric micromedia This change is also cement Hydration hardening effect. In the past hundred years, the issue of hardening of cement has been discussed