“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	exotic state of nuclear matter exotic superconductor exotic web exotic weeds exotoky exotoxin exotropia exotropic exotropism exozodiacal dust EXP expand expandability expandable expandable casing expandable liner hanger technology expandable sand screen expandable screens completion expandable tube and bellows technology expanded expanded access program clinical trial expanded bed bioreactor expanded bed chromatography expanded community Expanded Erya

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。