“water levelling in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	water levelling in ancient China
释义	water levelling in ancient China Encyclopedia 理学古代水准仪释 water levelling in ancient China　　　　古代水准仪中国古代测量高程的仪器，古代称为“水平”或“水平仪”。
随便看	steel braced frame steel braced frame structure system steel bridge steel bridge erection steel bridge fabrication steel building structure steel butt welding machine steel cable steel cage forming machine steel catenary riser steel catenary riser ，SCR steel column steel-concrete composite beam steel-concrete composite structure steel-concrete composite track beam steel connections in timber structures steel content steel cord for radial tyre steel creep steel cutting machine steel dam steel drum Steele Rudd steel fastener steel fiber

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