PDF(144 KB)
Study on the Quickly Tunneling and Masonry Technology of Xinli Main Mixture Shaft in Sanshandao Gold Mine
DU Fei,ZHAO Jingbo,WEI Kailin
Gold Science and Technology ›› 2010, Vol. 18 ›› Issue (6) : 63-64.
PDF(144 KB)
PDF(144 KB)
Study on the Quickly Tunneling and Masonry Technology of Xinli Main Mixture Shaft in Sanshandao Gold Mine
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