“Yihe River flood in 223”的概念、定义、翻译、参考文献-科学参考

单词	Yihe River flood in 223
释义	Yihe River flood in 223 Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 Yihe River flood in 223223年伊河大水中国发现最早一次有定量记载的历史大洪水。
随便看	relaxing the fingers and collapsing the wrist relaxor relay relay channel relay condenser relay-contact circuit relay-contact network relay-contact scheme relay control relayed correlation spectroscopy relay expansion module relay interpreting relay lens relay of summer Paralympic Games relay of Summer Paralympics relay optics relay orienteering relay protection device relay protection of hydro-generator and transformer unit relay protection of hydropower station relay protection of power system relay protection of power systems relay protection of pumped storage power generator/motor relay protection of the thermal power plant relay protection tester

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