“downhole pressurized jet assisted drilling system”的概念、定义、翻译、参考文献-科学参考

单词	downhole pressurized jet assisted drilling system
释义	downhole pressurized jet assisted drilling system 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	surface plasmon resonance (SPR) surface plasmons effect surface plasmon wave surface plasmon waveguide surface polariton surface polaron surface potential surface potential particle size analyzer surface pressure surface processing in vacuum surface properties of polymers surface quality evaluation surface quality of machining surface quenching by flame heat surface quenching by induction heat surface radiation sources surface radiative properties surface reactance surface reaction mechanism surface recombination surface reconstructing promoter surface reconstruction surface reflectance surface reflectance spectroscopy surface reflection model

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