“U+L”型通风系统条件下采空区三维流场实验研究
蔡佳文,杨胜强,焦汉林,等
Experimental Study on Gob Three-dimensional Flow Field of “U+L” Ventilation System
煤炭工程 . 2016, (8): 89 -92 .  DOI: 10.11799/ce201608027