• The technology of pack boronizing with precoating re layer is studied.

    研究了预稀土涂层固体粉末渗工艺

    youdao

  • In this paper, the effects of urea on pack boronizing have been studied.

    研究了尿素固体渗作用

    youdao

  • In this paper, the effects of urea on pack boronizing have been studied.

    研究了尿素固体渗作用

    youdao

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