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

单词	percussion drilling
释义	percussion drilling Encyclopedia 理学钻进方法释 percussion drilling；vibration drilling冲击钻进在钻头上以一定频率施加冲击动能破碎岩土层的钻进方法。又称振动钻进。
随便看	trapezoidal pulse trapezoidal rule trapezoid system of equations trap fishing trap level trapline trapped banana trapped carrier trapped electron trapped flux trapped gas trapped gauge trapped ion trapped-ion qubit trapped magnetic field trapped particle trapped-particle-induced diffusion trapped particle instability trapped particles trapped plasma avalanche triggered transit trapped radiation trapped radical trapped state trapped surface trapped well

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。