aggregate gradation

[ˈæɡriɡit ɡrəˈdeiʃən]
  • 释义

  • 骨料分级，骨料级配;

  • 双语例句
  • 1、

    The paper has put forward and testified four utilizable aggregate gradation.

    提出并验证了四种具有实用价值的集料级配组成.

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