单词drill-bit
na.: 【机】钻；钻头
钻头
Assemble Drill To break through the first layer of crust, the crew deploys a steel pipe with an 11-inch-wide drill bit at the bottom.
为了突破第一层地壳，船员们使用底部装有11英寸宽的钻头的钢管。
The pick-and-shovel (in this case, drill-bit-and-drill-ship) companies are also good bets if oil prices are headed up over the long term.
技术含量不高的油公司（这里说的是陆钻和海钻公司drill-bit-and-drill-ship），在油价长期上涨的情况下，也是下注的好股。
When used, the drill bit is put into a drill hole, and then rotated left to drill out the drill hole with left-hand threads.
使用时，将钻头放入钻孔的位置，左旋转即可钻出左旋丝纹的钻孔。
The paper suggests that after suitable heat treatment, DH-MQ steel has excellent high-tough-matching, to be an ideal material for drill bit.
提出在经过合适的热处理工艺后，DH-MQ钢具有极佳的强韧性配合，是钻头材料的理想选择。
It uses the vibrations produced by a drill bit while drilling as a downhole seismic energy source, which makes it belong to passive seismic.
它是利用钻井过程中钻头破岩产生的振动噪声为震源进行地震勘探，属于无源地震的范畴。
The medical orthopaedics left-hand drill bit solves the problem of the drill hole matched with a left-hand tap.
本实用新型解决了左旋丝锥所需配套的钻孔问题。
A two - foot - long drill bit tipped the end of a brontosaurus -like creature"s long neck.
一枚两英尺长的钻头卸掉状似雷龙的家伙长颈的一端。
A core drill bit consists of a steel tube with diamond segments brazed or laser welded on the drilling end.
核心钻头由一钢管或激光焊接金刚石钎环节就完钻。
Compared the number of cone bit bearing capacity and concluded: diamond wheel bearing life is far greater than the cone drill bit bearings.
对比了牙轮钻头的轴承能力数，得出结论：轮式金刚石钻头轴承寿命远远大于牙轮钻头轴承。
The drill bit breaks through the wall and he smiles.
当钻头钻通了墙后，他高兴地笑了。