“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	proper function proper game proper generator proper group proper group action proper holomorphic mapping proper homotopy proper homotopy theory proper hypergeometric term proper hyperplane proper hyperquadric proper hypersphere proper ideal proper including set proper inclusion proper integral proper intersection proper inverse semigroup proper k coloring proper k-coloring proper k edge coloring proper k-edge-coloring proper k face coloring proper k-face-coloring proper leaf

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。