“膨胀管等井径钻井技术”的概念、定义、翻译、参考文献-科学参考

单词	膨胀管等井径钻井技术
释义	膨胀管等井径钻井技术 Encyclopedia 工学膨胀管波纹管技术释 mono-diameter drilling technology by SET膨胀管等井径钻井技术在钻井过程中，利用膨胀管的特性尽可能始终采用某一种钻头及钻具规格，在全井钻进过程中保持同一种井眼尺寸的钻井方法。
随便看	principal's teaching leadership principal strain principal subgroup principal subgroup series principal submatrix principal submodule principal subspace principal surface principal symbol principal symbol sequence principal system principal tangent principal tangent bundle principal telescope principal term principal theorem principal trace principal translation principal two-sided ideal principal type principal ultrafilter principal uniformization principal uniformizing function principal unknowns principal value

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。