“rock borer”的概念、定义、翻译、参考文献-科学参考

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单词	rock borer
释义	rock borer 岩石钻钻岩机
随便看	declaration of hatches declaration of inability to pay declaration of inventorship declaration of non-infringement declaration of trust declaration (保险) declarative array declarative macro instruction declarative operation code declaratives declarative statement declarator declarator definition declarator name declarator subscript declare a ban on declare a dividend declare bankruptcy declared capital declared dividend declared efficiency declared profit declared value declared value for carriage declare goods for duty