“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	unsurveyed unswept pumping unsymmetric unsymmetrical unsymmetrical dimethylhydrazine unsymmetrical dimethylhydrazine poisoning unsymmetrical load unsymmetrical three-phase circuit unsymmetrical top unsymmetry untensioned unterminated line untethered operated vehicle untextured untightness untitled untouchability untouchable number untranslated region untranslated regions untranslated regions (UTR) untuned untuned aerial untuned amplifier untwining rope pulse

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