“deep shaft sinking technique in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	deep shaft sinking technique in ancient China
释义	deep shaft sinking technique in ancient China Encyclopedia 工学中国古代深井开凿技术释 deep shaft sinking technique in ancient China中国古代深井开凿技术中国古代开凿深井，主要用于开采井盐卤水，称盐井；后来发展到开采天然气，称火井。
随便看	extinction index extinction integral extinction of species in fishery extinction potential extinction probability extinction-prone species in fishery extinction rate extinction ratio extinction ratio meter extinction rule extinction stretch rate extinction theorem extinction theorem method extinction time extinction voltage extinct nuclide extinct radionuclides extinct volcano extine extinguishing agent extirpated species ext mining in social media extouch triangle eXTP extra

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