“drilling efficiency index”的概念、定义、翻译、参考文献-科学参考

单词	drilling efficiency index
释义	drilling efficiency index Encyclopedia 工学钻井经济评价释 drilling efficiency index钻井效率指标钻井一口井占用的时间。是评价钻井队伍施工速度快慢的指标。又称钻井速度指标。
随便看	circulating fluidized bed boiler circulating fluidized bed boiler modulation control system circulating fluidized bed boiler operation circulating fluidized gasifier circulating flux circulating function circulating ink supply system circulating libraries circulating medium circulating notes in northeast China circulating offices circulating ratio circulating sub circulating system circulating tumor cells circulating type seminal plasma machine circulating water pump circulating water system circulation circulation and consumer price statistical reporting system circulation and purification of landscape waters circulation cell circulation channels of agricultural products circulation, circulating current circulation cost

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。