采空区超细粉煤灰注浆充填材料正交试验及回归分析
庞建勇, 姚韦靖, 王凌燕
Orthogonal Experiment and Regression Analysis on Ultra-fine Fly AshGrouting Material for Teating Coal Mine Goaf
PANG Jian-yong, YAO Wei-jing, WANG Ling-yan
长江科学院院报
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2018, (9): 103
-108
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DOI: 10.11988/ckyyb.20170283
