SHI Shanling. Parametric Design of Hydraulic Support Hydraulic Cylinder [d]. Xi 'an: Xi 'an University of Science and Technology, 2014.
[2]施善玲。液压支架液压缸参数化设计[d]。西安：西安科技大学，2014。
SHI Shanling. Parametric Design of Hydraulic Support Hydraulic Cylinder [d]. Xi 'an: Xi 'an University of Science and Technology, 2014.
[2]施善玲。液压支架液压缸参数化设计[d]。西安：西安科技大学，2014。
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