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- gross drilling time 总钻孔时间
- It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells. 该井的完成 ,创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
- Casing drilling is a new method for drilling wells that is aimed at reducing both drilling time and the incidence of unscheduled drilling events. 套管钻井技术是一种节约钻井时间,降低井下事故发生的全新的钻井工艺技术。
- Waiting on cement out of rig time and electrical logging cement quality were achieved and drilling time efficiency was rai... 该项技术成果对于渤海中深层油田的开发具有重要意义。
- Quality materials, reasonable structure and reliable performance to ensure that bit with the longest service life, reduced drilling time and reduce the use of cost. 优质的材料,合理的结构和可靠的性能确保钻头具有最长的使用寿命,因此缩短了钻进时间,降低了使用成本。
- Advances in polycrystalline diamond compact( PDC) bits have sharply increased rate of penetration( ROP),reduced drilling time and costs in oil and gas wells. 聚晶金刚石复合片(PDC)钻头的发展及应用,大大提高了钻井的机械钻速(ROP),减少了钻井时间,降低了钻井成本。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- The goods are to be sold by the gross. 这些货物是要趸批出售的。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- He made a gross mistake but refused to admit it. 他犯了严重的错误却不肯承认。
- He regretted very much having said something gross. 他讲了一些粗话,对此非常後悔。
- The gross for the year was $60,000. 年总收入为六万美元。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。