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ancient cutting technology
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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。
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semimajorant
semi-major axis
semimajor axis
semimajor axis of ellipsoid
semi Markov process
semi-Markov process
semi-Markov repairable system model
semi martingale
semi-martingale
semimartingale
semimartingale decomposition
semimatrix
semi-mean axis
semi-measure
semimembrane
semimembranosus
semi-meridian
semi-meromorphic form
semi-metacyclic function
semimetal
semi-metals metallurgy
semi-metric
semi-metrically connected manifold
semi-metric connection
semi-metric space
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