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赵国彦;赵井清;李启月

Nine-hole Parallel Cutting Technology of the Shaft Excavation in One-step

ZHAO Guoyan;ZHAO Jingqing;LI Qiyue

. 2013, (16): 21 -25 . DOI: 10.3981/j.issn.1000-7857.2013.16.005