“水利水电工程等别”的概念、定义、翻译、参考文献-科学参考

单词	水利水电工程等别
释义	水利水电工程等别 Encyclopedia 工学水利水电工程等级划分释 rank of water resources and hydropower projects水利水电工程等别对水利水电工程按规模、效益及其在国民经济中的重要性所划分的工程等别。是确定工程合理使用年限和永久性水工建筑物级别的重要依据。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。