“river sediment measurement and grain-size analysis instrument”的概念、定义、翻译、参考文献-科学参考

单词	river sediment measurement and grain-size analysis instrument
释义	river sediment measurement and grain-size analysis instrument Encyclopedia 工学河流泥沙测验及颗粒分析仪器释 river sediment measurement and grain-size analysis instrument河流泥沙测验及颗粒分析仪器测定河流泥沙含量和颗粒级配的仪器。
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