- 双语例句 更多例句
A new type bottom hole assembly is provided for high angle deviated and hard formation.
为大倾角硬地层易斜区防斜打快提供了一种新型的钻具组合类型.
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也门32区块和53区块地层可钻性差、存在断层漏失，采用泡沫钻井液有效地解决了井漏问题，应用空气锤钻井加快了硬地层的钻进速度；
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Tangible Results Achieved in Hard Formation Drilling with Percussion Type Wire Rope Coring Tools
绳索取心冲击回转钻具钻进硬岩效果显著
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A new synthetic diamond impregnated matrix for drill bit used in hard formation is designed.
针对软硬交错、研磨性高的地层设计了一种新型人造金刚石混合孕镶块。
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- 相关词组
- hard pressed窘急；窘困；窘促;
- immerse oneself in hard work埋头苦干;
- hard to get to闭塞;
- labour hard to little avail事倍功半;
- press hard步步进逼；紧逼;
- hard to grasp or trace不可捉摸;
- hard worker勤奋的工人
- in neat formation严整;
- work with quiet hard application埋头苦干
- press hard against each other轧;
- hard clay硬质黏土;
- hard to understand艰深晦涩;
- have a hard time好容易；受罪；难过；遭罪;
- hard surface硬表面，硬质路面，壳体;壳斗;
- hard sleddingn.费力;
- hard rush灯心草;
- portable hard drive移动硬盘；硬碟；及外接式硬盘；动硬盘
- hard game艰苦的比赛；硬游戏
- extremely hard and bitter艰苦卓绝
- engage in unostentatious hard work埋头苦干;
- 今日热词
- 热门搜索
- the scarlet letter [电影]红字;
- firework n.（常pl.）烟火，烟花;（热情，怒气等的）迸发;
- SCADA abbr.supervisory control and data acquisition (system) 监控与数据采集（系统）;
- federation n.联邦，同盟;联盟，联合会;联邦，联邦政府;
- text n.文本，原文;课文，教科书;主题;版本;v.发短信;
- ocean n. 大海;海洋;(五大洋之一的)洋
- grandparents n.祖父母，外祖父母;（外）祖父， （外）祖母（ grandparent的名词复数 ）;
- forest n. 森林;丛林;（森林似的）一丛;一片;vt. 在…造林，使长满树林，使成为森林;
- cosy adj.（感到）温暖舒适的;愉快的，亲切的;轻易得到的;n.（茶壶）保暖罩;
- if you 如果你;
- moncler 羽绒服;盟可睐;蒙特克莱尔;蒙口;蒙克莱;蒙克
- communist n.共产主义者;共产党党员;adj.共产主义的;
