“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	form and arrangement of lines in calligraphy form and content Form and Fabric in Landscape Architecture form and matter formanite formant formant transition cue For Marx Format format format changing format guideline FORMAT International Photography Festival formation formation age formation and broadening of spectral line formation and evolution of stars formation-complex formation constant formation constant of complex formation control formation cross-section formation damage formation evaluation formation factor

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