1.
churn-type percussion drill
无游梁绳式顿钻钻机
2.
back-brake support
顿钻捞砂轮刹车支架
3.
A Study of the Technique of Cable Drilling in Modern Time;
浅述近代冲击(顿钻)钻井工艺技术
4.
She also taunted Harry and used the Cruciatus Curse on Neville when she heard that he was a Longbottom.
她也嘲弄哈利,并在听说纳威是隆巴顿家人之后用钻心咒折磨他。
5.
At one time, Winston owned the famous Hope Diamond, once the property of French King Louis XIV.
温斯顿一度拥有知名的「希望钻石」,那曾是法国国王路易十四的财产。
6.
As the name of the Indian Diamond passed her lips, I saw a change come over my admirable friend
她嘴里刚吐出那颗印度钻石的名字,我就看见这位可敬的朋友顿时失色。
7.
” He and Auston hope Kavli institute researchers will probe new depths as they bump into one another at interdisciplinary seminars.
」和奥斯顿希望,藉由轮番的跨领域研讨活动,来增进卡维里研究所内研究人员钻研学术的广度。
8.
unit-type drill head
组合钻床钻头, 标准钻头
9.
To bore(a shaft) with a trepan.
钻用钻井机钻(矿井)
10.
offshore drilling
海底钻探;海上钻井;海上钻探;海洋钻井;海洋钻探;近海钻探;滨外钻探
11.
high-thrust drill
强力钻机,高推力钻机
12.
kelly for well-drilling machiens
旋转钻孔,钻井机用
13.
tap(ping) drill
螺丝孔钻,螺丝底孔钻
14.
combination center drill
组合中心钻,复合中心钻
15.
easing the bit in
钻头轻压慢转钻进地层
16.
mixed oil drilling rig
复合式石油钻井钻机
17.
deepwater drilling
深水钻进、深海钻进
18.
auger with valve
(钻浅井用) 带阀螺旋钻具