“井下增压射流辅助破岩钻井装置”的概念、定义、翻译、参考文献-科学参考

单词	井下增压射流辅助破岩钻井装置
释义	井下增压射流辅助破岩钻井装置 Encyclopedia 工学钻井新技术与装备释 downhole pressurized jet assisted drilling system井下增压射流辅助破岩钻井装置通过安装在钻头上方的井下增压装置，将钻柱中循环的部分钻井液增压后形成增压射流，经钻头的超高压喷嘴喷出，冲击井底后直接或辅助钻头破碎岩石，将水力破岩与机械破岩紧密结合起来，达到提高钻速目的的钻井装置。
随便看	laser Doppler velocimeter laser Doppler velocimetry laser doppler velocimetry laser Doppler vibrometer laser drilling laser drilling technology laser dye laser efficiency laser endoscopy laser energy laser energy meter laser engraving Laser engraving technology in plate making laser enhanced ionization spectrometry laser-enhanced ionization spectrometry laser excitation laser excited atomic fluorescence spectrometry laser eyepiece laser fiber laser filter technology laser fission laser fission reaction laser-flash method laser flow cytometer laser flowmeter

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。