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

单词	ancient welding technology
释义	ancient welding technology Encyclopedia 工学﹝古代机械制造技术﹞释 ancient welding technology古代焊接技术焊接技术是随着金属的应用而出现的，已有数千年历史。
随便看	massless field massless particle massless spectrum massless vector field mass levels mass line mass line in journalism mass literature Mass literature and Art mass-losing object mass-losing star mass loss mass-loss rate mass-luminosity curve mass-luminosity law mass-luminosity-radius relation mass-luminosity ratio mass-luminosity relation mass lumping Massmann high temperature furnace Massmann high-temperature furnace mass marker mass matrix mass measurement of high-energy particles mass measurement technology

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