• The United States Department of Labor classified this set of standards as the Occupational Safety and Health Administration (OSHA) standards.

    美国劳工部这套标准归类职业安全健康管理局(osha)标准。

    youdao

  • The United States Department of Labor classified this set of standards as the Occupational Safety and Health Administration (OSHA) standards.

    美国劳工部这套标准归类职业安全健康管理局(osha)标准。

    youdao

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