PDF(422 KB)
Study on the Construction of Auxiliary Scraper in Engineering Boring
QIU Jungang,YU Bin,ZHANG Zhonghui,DENG Yaozeng,LENG Hansong
Gold Science and Technology ›› 2010, Vol. 18 ›› Issue (5) : 84-86.
PDF(422 KB)
PDF(422 KB)
Study on the Construction of Auxiliary Scraper in Engineering Boring
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