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- PDC bit have advantages of high penetrate rate,long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency. PDC钻头具有钻进时间长、机械钻速高、起下钻次数少等特点,使用PDC钻头可大大提高钻井速度。
- This is jet bit and that is a PDC bit. 这是喷射式钻头，那是人造聚晶金钢石钻头。
- PDC bit uses polycrystalline diamond compacts (PDC) as cutters. pdc钻头用聚晶金刚石（复合片）作为刀具。
- High efficiency in-line UV drying system. 高效率在线UV干燥系统。
- Install a high efficiency dishwasher machine. 安装一个高效率洗碗机机器。
- Easy to clean and disassemble，high efficiency. 清洁简易，拆卸容易，效率更高。
- Work with order and high efficiency. 工作很有条理，办事效率高。
- This article looked back the use of PDC bit and put forward adverting problem. 文章回顾了PDC钻头的使用并提出了使用中应注意的环节。
- But the integrated high efficiency. 而是综合的高效率。
- The test basis and priniple for PDC bit performance modeling are introdced. 介绍了PDC钻头性能模拟的试验基础及原理。
- The new typist works with high efficiency. 新来的这位打字员，工作效率很高。
- High efficiency electric power convert system. 高效率电力转换系统模组。
- High efficiency and good performance. 高效率和出色的表现。
- The relationship model of cone bit drillability and PDC bit drillablity is created. 建立了牙轮钻头可钻性与PDC钻头可钻性的相互关系模型。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- It is the key to ensure that PDC bit has choiceness of the work performance to reasonably place cutting. 合理的布齿是保证PDC钻头有优良工作性能的关键。
- The key was to choose high efficiency viscosity reductant. 以大庆黑帝庙稠油为原料，发烟硫酸为磺化剂，合成了稠油磺酸盐。
- Presently common means of PDC bit placing cutting is to draw and adjust the scheme. 目前常用的PDC钻头布齿设计方法是图解调整法。
- Proportional valves than servo valves high efficiency. 比例阀效率比伺服阀高。
- An anti_whirl technology keeping the lateral forces and cutters balanced on PDC bit for slim_hole drilling is proposed. 针对小井眼PDC钻头的实际工作条件,提出了在小井眼钻井中具有普遍意义的PDC钻头的横向力自平衡抗回旋技术。
