“ancient cutting technology”的概念、定义、翻译、参考文献-科学参考

单词	ancient cutting technology
释义	ancient cutting technology Encyclopedia 工学﹝古代机械制造技术﹞释 ancient cutting technology古代切削加工技术切削加工的历史可追溯到原始人创造石劈、骨钻等劳动工具的旧石器时期。
随便看	reversible mill reversible mirror reversible modification reversible mounting reversible oxidation reversible pendulum reversible permeability reversible plow reversible polarographic wave reversible prime reversible process reversible reaction reversible relation reversible runner reversible saturable optical fluorescence transition reversible saturable optical fluorescence transition (RESOLFT) reversible semigroup reversible system reversible transit circle reversible watermarking reversing reversing current reversing dog reversing layer reversing number

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