“management of sand mining in river & lake”的概念、定义、翻译、参考文献-科学参考

单词	management of sand mining in river & lake
释义	management of sand mining in river & lake Encyclopedia 工学河道湖泊管理释 management of sand mining in river & lake河湖采砂管理规范河道、湖泊管理范围内采砂行为的管理工作。
随便看	tracee trace element trace element deficiency trace element fertilizer trace element geochemistry trace element pollution trace elements trace elements in coal trace element specification trace element specification; specification analysis of trace elements trace embedding theorems trace enrichment trace evidence automatic identification trace field trace form trace formula trace fossil trace function trace gap trace ideal trace indicated criminal mind traceintersecting theory traceless matrix traceless tag traceless tensor

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