The steadiness of reaction takes direct influence on the cry stalization of gypsum, and then on a few technical and economic indices as filtration and P recovery rate.
反应介质稳定与否，直接影响反应结晶的好坏，进而影响过滤操作及磷得率等技术经济指标。
Being crucial for medium plate production, profile control is of significance in ensuring production steadiness, product quality and the main technical and economic indices.
板形控制技术是中厚板生产的关键技术和难点技术，密切关系着生产的稳定性、产品质量和主要技经指标。
The reliability of mining technological systems has a notable impact on main economic and technical indices. especially when continuous or semi-continuous mining system is employed.
露天矿工艺系统可靠性对露天矿的主要技术经济指标有很大影响，特别是采用连续或半连续开采工艺时更是如此。
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