“滚子减阻扶正器”的概念、定义、翻译、参考文献-科学参考

单词	滚子减阻扶正器
释义	滚子减阻扶正器 Encyclopedia 工学井下工具释 friction reduction stabilizer滚子减阻扶正器将钻柱与井壁间的滑动摩擦转变为滚动摩擦，用以减小钻柱下行阻力的工具。
随便看	effectiveness evaluation of security system effectiveness of energy utilization effectiveness of funds utilization effectiveness of labour utilization effectiveness of material utilization effective network effective nuclear charge effective number effective numbering effective number of neutron effective number of replications effective operator effective optical depth Effective Output effective parameter effective path effective phonon spectrum effective photon approximation effective plate height effective population effective population size effective potential effective power effective pressure effective pressure law

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