PDF(3577 KB)
Theoretical Research on the Special Five Bar Cutting Mechanism for the Ellipse Section Shield
Wu Xiaowei
Chinese Journal of Underground Space and Engineering ›› 2013, Vol. 9 ›› Issue (1) : 31-36.
PDF(3577 KB)
PDF(3577 KB)
Theoretical Research on the Special Five Bar Cutting Mechanism for the Ellipse Section Shield
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