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- jet bit drilling 射流穿孔
- A good way to help you to improve drilling technique is to use a jet bit. 能帮助你们改进钻井技术的一种好方法是使用喷射式钻头。
- 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。
- The milling bit rotates during the bit drilling cement plug and the milling head cuts the edge of the plug to form cement column. 新型套铣钻头在钻塞时钻头旋转,使套铣头旋入灰塞边缘后形成灰柱,单向铣牙做圆周运动切削灰柱,实现钻塞。
- Transmission, built in the top drive power head, has two speed range? High and low. It can meet the requirements of both DTH hammer drilling and carbide bit drilling. 动力头设有变速装置,有高低两个档次,以满足潜孔锤钻进及硬质合金回转钻进方法。
- On the condition of PDC bit drilling,how to overcome the difficulty in the cutting description with the fine or powder cuttings has become an urgent problem. 如何解决PDC钻头钻井条件下岩屑细碎甚至呈粉末状给岩屑录井带来的困难已成为录井行业急待解决的问题。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- She was a bit queer after her husband deserted her. 她遭丈夫遗弃後精神有点失常。
- DRILLING FLUID PROPERTIES CONTROL FOR PDC BIT DRILLING 为PDC钻头连续钻进进行钻井液性能控制
- The dark outline of a jet loomed through the mist. 喷射机的黑色轮廓在雾中隐隐显现。
- I reckon the girl is a little bit boyish. 这想这个女孩有点男孩子气。
- Hey, look, that jet airliner is hopping off. 嗨，看啊，那架喷气式班机起飞了。
- The seedling have shrivel up a bit in the hot sun. 在炎热的太阳光下，幼苗已有一点乾枯。
- I felt completely disorientated with the jet lag. 我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。
- This aircraft works by jet propulsion. 这架飞机是喷气推进的。
- Research and Application on New PDC Bit Drilling in Hard and Compact Mudstone 硬致密泥岩钻进的新型复合片钻头的研究与应用
- A bit of embrocation will soothe your bruised knee. 用一点搽剂可使你那青肿的膝部消肿。
- Nell did not full for John's story about being a jet pilot. 内尔不相信约翰讲的自称是喷气机飞行员的事。
- The love scenes in the play were a bit overdone. 剧中的情爱场面演得有点过火了。
