“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	linear transport theory linear trend linear trend extrapolation linear type linear U(J) relation linear unbiased estimate linear unbiased estimator linear U relation linear variation linear variational method linear variety linear vector network analyzer linear vector space linear velocity linear velocity sensor linear vibration linear vibration theory linear video amplifier linear viscoelasticity linear viscoelastic model linear wave linear wave theory linear weak topology linear weighted moment linear weight sum method

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。