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

单词	Culverts in ancient China
释义	Culverts in ancient China Encyclopedia 理学　　　　古代涵管释 Culverts in ancient China　　　　古代涵管古代又称瓦窦、涵洞，修在塘堰或渠道的堤岸中，用于向农田放水；建于大江大河、湖泊的堤岸中，用于泄水、淤灌等；或建于古城城墙中，用于城市供排水。涵洞可为开敞式，也可设闸门节制。
随便看	aircraft pod structure aircraft poststall control aircraft power distribution system aircraft powered effect test in wind tunnel aircraft powerplant aircraft preliminary system safety assessment aircraft pressure test in wind tunnel aircraft prognostics and health management system aircraft propeller structure aircraft propulsion system aircraft propulsion system test aircraft radome structure aircraft range aircraft reliability enhancement test aircraft reliability growth test aircraft reliability simulation test aircraft reliability test for production acceptance aircraft reliability test for qualification acceptance aircraft residual risk aircraft RF signature measurement of the aircraft targets aircraft roll angle or bank angle aircraft rotary balance tests in wind tunnel aircraft safety Aircraft Safety Assessment aircraft salt fog test

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