本文在水平井牵引器机构分析的基础上，给出了部分零件的设计原则和牵引器越障性能的评价。
Having the structure analyzed, the ability to cross obstacle of both the parts and the whole is determined, the design principle and using advice of some parts is given.
本文在水平井牵引器机构分析的基础上，给出了部分零件的设计原则和牵引器越障性能的评价。
Having the structure analyzed, the ability to cross obstacle of both the parts and the whole is determined, the design principle and using advice of some parts is given.
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