It shows that the modified overall calculation method is more scientific and rational and exact on mix ratio design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
The results show that the modified overall calculation method is a more scientific, rational and exact method for mix design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
Based on the said calculation and related analysis, process parameter optimization is done to expand product mix in terms of size range and variety.
通过计算分析，在现有顶管机的基础上进行工艺参数优化，可扩大机组生产的产品规格和品种。
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