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  • The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.

    研究了超细晶粒钢筋焊接接头的组织和力学性能。

    youdao

  • The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.

    研究了超细晶粒钢筋焊接接头的组织和力学性能。

    youdao

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