“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	topotactic reaction topotactic synthesis topotaxial reaction topotaxis topotaxy topothermogram topotype top place toppling toppling failure topponium top pressure recovery turbine unit of blast furnace ironmaking top pruning top quark topramezone To Prime Minister: Ask the Capital to Build an Imperial Museum to prohibit or use forest according to the time top rope climbing to prosecute or extradite To Protect the Equal Rights of All Scattered Ethnic Minoritie’s Decision top rot of sugarcane top row tops top screen pipe cementing top-seeded solution growth

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