“pneumatic rock drill”的概念、定义、翻译、参考文献-科学参考

单词	pneumatic rock drill
释义	pneumatic rock drill Encyclopedia 工学凿岩机械释 pneumatic rock drill风动凿岩机以压缩空气驱使活塞在气缸中向前冲击，使钢钎凿击岩石的机械。是凿岩机的一种。
随便看	numerical approximation numerical approximation of eigenvalues numerical approximation of solutions numerical attribute numerical axis numerical basis set numerical boundary condition numerical calculation numerical calculus numerical chaos numerical character numerical characteristic numerical characteristics numerical check numerical chromosome abnormalities numerical chromosome change numerical code numerical coding numerical coefficient numerical computation numerical computation of electromagnetic fields numerical computation scheme numerical conformal mapping numerical constant numerical continued fraction

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