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- Diamond drilling replaced percussion drilling. 金钻探取代了冲击钻探。
- The floor that stands by a floor in strong bottom digs a hole with percussion drill, knock nog, get on the traditional thread binding that play a base, secure with nail. 在强下部靠近地板的地板用冲击钻打一排孔，敲入木钉，把踢脚线装上，用钉子固定。
- percussion drill hole grouting pile 冲孔灌注桩
- cylindrical shank percussion drill 圆柱柄冲击钻
- The air foam clockwise circulating and percussion drilling technology was practiced in the Africa that lacks water.It also got over the problem to drill in the very hard and leakage water rock. 应用空气泡沫正循环、气动潜孔锤钻进技术,实现了在非洲大陆严重缺水地区施工,克服了对坚硬岩石和漏失层钻进困难的问题。
- Complete range of various capacities, suitable for professional use on portable and percussion drills. 拥有可涵盖各种夹持力之完整性，适用于可携式电钻之专业用途。
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- Analysis and Treatment of an Accident of Blocking Bore of Excavated Hole Driven Cast-in-Place Pile by Percussion Drill 一起冲击钻成孔灌注桩卡钻事故的分析与处理
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- Keywords Percussion driller;Construction;Piling; 冲击钻机;施工;桩基;
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- percussion drilling cast-in-place pile 冲孔灌注桩
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- However, the SEP in diamond rotary drilling was higher than the SEP in percussive drilling in lightly weathered hard as well as in extremely hard rock. 在微风化的坚硬与极坚硬岩石中，金刚石旋转钻进比功则明显高于冲击凿碎比功。
