• Our country is rich in tungsten resources. Taking tungsten as the main alloy element, tungalloy white cast iron liner is developed.

    我国资源丰富主要合金元素,开发了钨合金白口铸铁衬板

    youdao

  • Our country is rich in tungsten resources. Taking tungsten as the main alloy element, tungalloy white cast iron liner is developed.

    我国资源丰富主要合金元素,开发了钨合金白口铸铁衬板

    youdao

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