• This tester is a popular type Rockwell hardness testing machine, the construction is firm and reliable and safe, operating convenience etc. characteristics.

    氏硬度具有性能稳定结构牢靠、安全操作方便特点。

    youdao

  • This tester is a popular type Rockwell hardness testing machine, the construction is firm and reliable and safe, operating convenience etc. characteristics.

    氏硬度具有性能稳定结构牢靠、安全操作方便特点。

    youdao

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