“track maintenance”的概念、定义、翻译、参考文献-科学参考

单词	track maintenance
释义	track maintenance Encyclopedia 工学土木工程养护技术释 track maintenance轨道养护为保证列车安全、平稳、不间断运行而开展的各项轨道养护作业，包括轨道更新和经常性维修工作。
随便看	immune response immune response gene immune serum immune set immune surveillance immune system immune system in shrimp immune system toxicity immune thrombocytopenia immune tissue immune tissue of shrimp immunities immunity immunity development characteristics of infants and children immunity electrode immunity enhancing function of health food immuniy nutrition of aquatic animal immunization immunization program immunization schedule immunoactive peptide immunoadjuvant immunoadsorption immuno-affinity chromatography immunoaffinity chromatography

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