• 生态农业理论认为开发水资源存在循环过程之中。

    Full ecological agriculture theory considers that water resources available for exploitation development exists in the all process of water circulation.

    youdao

  • 通过建立氢罩式退火炉炉内传热过程数学模型经过实测验证后分析循环风量退火时间关系

    A mathematical model for heat transfer process in HPH furnace was established and verified, then applied to analysis of the relationship between gas flow rate and annealing time.

    youdao

  • 通过建立氢罩式退火炉炉内传热过程数学模型经过实测验证后分析循环风量退火时间关系

    A mathematical model for heat transfer process in HPH furnace was established and verified, then applied to analysis of the relationship between gas flow rate and annealing time.

    youdao

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