“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	optical information recording material optical instrument Optical Instruments optical instruments optical instruments for site testing optical instruments positioning optical integration optical interference thin films optical interferometer optical interferometry Optical Interferometry Exchange Format Optical Inter-orbit Communications Engineering Test Satellite optical invariant optical isolator optical isomer optical isomerism optical jukebox optical Kerr effect optical label switching，OLS optical laser radar optical lattice optical length optical level optical lever optical levitation

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