“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	prompt lepton promptly simple set prompt neutron prompt period prompt radiation prompt radiation analysis prompt X-ray neutron activation analysis prompt γ radiation from fission prompt γ-rayneutron activation analysis promulgate written laws in the Spring and Autumn period promulgation of law promyelocyte pronase pronator proneness pronephric duct pronephric tubule pronephros prong pronghorn pronic number pronilpotent Pronoia pronormal subgroup pronormoblast

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