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			Research on the Key Technology for Special Shaped Deep Shaft in Water - rich Gravel Formation and Complex Environment
WANG Tin – ming
Journal of Railway Engineering Society ›› 2016, Vol. 33 ›› Issue (6) : 76-81.
						
							PDF(1268 KB) 
						
						
					
						
							PDF(1268 KB) 
						
						
					Research on the Key Technology for Special Shaped Deep Shaft in Water - rich Gravel Formation and Complex Environment
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