• 熟悉铁路电气化接触网系统机械材料铸造锻造模具加工过程

    Familiar with railway electrification, contact line system, processes such as mechanics, plastics, founding, forging, molding etc.

    youdao

  • 熟悉铁路电气化接触网系统机械材料铸造锻造模具加工过程

    Familiar with railway electrification, contact line system, processes such as mechanics, plastics, founding, forging, molding etc.

    youdao

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