“director hammer percussion”的概念、定义、翻译、参考文献-科学参考

单词	director hammer percussion
释义	director hammer percussion Encyclopedia 历史学旧石器时代考古释 director hammer percussion锤击法旧石器时代最为普遍的生产和修理石制品的方法，直接锤击目标以修型或剥片。
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