“drain valve instrument”的概念、定义、翻译、参考文献-科学参考

单词	drain valve instrument
释义	drain valve instrument Encyclopedia 工学实验排水系统释 drain valve instrument排水阀门仪表控制排水系统中流体介质的流量、流向、压力、温度等的机械装置。是排水系统中基本的部件。
随便看	national ecology garden city national economic accounting national economic and social development plan national economic and social development planning National Economic Atlas of the People’s Republic of China national economic geography national economic management national economic management performance National Economic Modification national economics national economic structure national economic system national economy national economy and society developed statistical bulletin national education national educational examination policy and law national educational inspector National Education Association National Electronic Commerce Demonstration Base National electronic commerce demonstration base National Electronic Publication Award National Electronic Records Administration Joint Inter-ministry Conference national emblem National Emblem of Australia National Emergencies Act

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