“net drilling time”的概念、定义、翻译、参考文献-科学参考

单词	net drilling time
释义	net drilling time Encyclopedia 理学钻探技术经济指标释 net drilling time纯钻时间在工作中的钻机、钻头在孔底破碎岩石向下钻进开始至钻头脱离井底的时间。
随便看	land policy of the Communist Party of China land pollution land pollution control land polygon land port Land port/ Dry port land power land power theory land preparation land preparation for urban development land price land price analysis land price monitoring land pricing index land productivity land property right land property right system land protection science land public ownership land quality land quality evaluation land quota land quotas of livestock farm area Landrace land readjustment rule

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。