| EXAMPLE SENTENCES | ||
|---|---|---|
钻柱共振是引起深井钻具失效的主要原因。 Drill string resonance is the major cause of drill tool failure. | ||
在钻具失效事故中，钻铤的疲劳失效尤为突出。 In the event failures of boring tools, the fatigue failure of the drill collar is especially prominent. | ||
空气螺杆钻具是专为空气钻井而设计的动力装置。 The air screw drill tool was power equipment which was designed for air drilling. | ||
该机是由转盘带动钻具旋转钻进的回转钻机。 Cutting tools of the rig are driven by a turn table. | ||
头儿钻水底。 Heads are in the water. | ||
大多数具可食性，具开发利用价值。 The majority of them are eatable and possess great value of exploitation and utilization. | ||
文中详细介绍导向钻井系统在港深24 - 26井的应用情况、钻具组合、参数优选，并进行效果分析。 The paper presents the application, bottom hole assembly and parameter optimum of steering drilling system in Gangshen well 24-26. Meanwhile, the applied effect is analysed. | ||
蚯蚓钻土很深。 Earthworms burrow deep into the soil. | ||
这台凿岩机钻透了岩石。 This drill can bore through the rock. | ||
有老虎钻圈吗？ Is there tiger drilling circle? | ||
