• 基础开发了等压钢塑复合技术

    On this basis, the new technology of thermal isobaric method steel plastic clad tube is developed.

    youdao

  • 因此传感今后发展趋势

    Therefore, the equal pressure method and the sensing method will be the future trend.

    youdao

  • 因此传感今后发展趋势

    Therefore, the equal pressure method and the sensing method will be the future trend.

    youdao

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