“water conservancy projects during the Roman Empire Era”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy projects during the Roman Empire Era
释义	water conservancy projects during the Roman Empire Era Encyclopedia 工学[古代区域水利]释 water conservancy projects during the Roman Empire Era古罗马水利工程古罗马人建造的用于防洪、供水、排水和灌溉的水利工程。
随便看	crystal projection crystal pulling crystal pulling method crystal pulling process crystal seed crystal shape crystal slab crystal spectrum crystal statistical thermodynamics crystal structure crystal structure of semiconductor crystal structures of metals crystal surface crystal symmetry crystal system crystal system, lattice system, crystal family crystal systems crystal tilt crystal violet [crystal] whisker crystal whisker crystal X-ray reflector [crystal] zone crystal zone crystal zone axis

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