| 释义 |
rock bit
释义
岩石钻头：用于在坚硬的岩石中钻孔的硬化钻头。
例句
1·Diameter controlling is of great importance in rock bit manufacturing.
保证三牙轮钻头的直径是钻头制造工艺的重点。
2·Water jet flow is one of the decisive factors for drilling rate during rock bit drilling.
在牙轮钻头的钻进中，水射流是钻进速度快慢的决定因素之一。
3·A new type rock bit with bearing liner structure has been developed and tested on the spot.
研制了一种新型的镶套轴承结构牙轮钻头，并进行了现场试验。
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