“drilling machine-hour”的概念、定义、翻译、参考文献-科学参考

单词	drilling machine-hour
释义	drilling machine-hour Encyclopedia 理学钻探技术经济指标释 drilling machine-hour钻探台时一台钻机在一天中工作的时间。
随便看	flat spiral feed flat spiral spring flat spring flat-stab buttress bam flatstem milkvetch seed flat storehouse flat structure flat submanifold flat surface flat surface screen printing flattener flattening flattening factor flattening of ellipsoid flattening of fold flatter surface flat top card flat top dots flat topology flat torus flat traffic commanding flat transaction flat transfer flat tube flat-tuning

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。