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- The mast assem-bly supports the rotary drill head and its hoisting mechanism. 支架组件支持转动钻头及其提升机构。
- Spindle feeds and speeds are controlled by selector levers which engage the proper gears in the drill head. 主轴的进能量和转速是通过选速杆使主轴箱中的适当齿轮相啮合而控制的。
- Concrete cutoff wall built by multiple drill bits 多头钻槽法建造混凝土防渗墙
- Study on the New-type Multiple Drill Bit 新型复合钻头研究
- We can manufacture all kinds drill heads, sonde housings,directional bladesl,drill bits adapters save subs,starter rods,pullers and pullback swivels according to requirements. 根据客户要求可提供各种规格的导向钻头，钻头版，钻头，短节与接头，拉管接头，分动器。
- multiple spindle drill head 多轴钻削头
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- 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。
- 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。
- He is the person with multiple injuries. 他就是那个多处受伤的人。
- 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。
- Friendship multiple joy and divide grieve. 朋友之间，欢乐同享，苦难同当。
- We use the hall for multiple purposes. 这个大厅我们派多种用途。
- 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。
- Spindle feeds and speeds are controlled by selector levers which engage the proper gears in the drill head 主轴的进能量和转速是通过选速杆使主轴箱中的适当齿轮相啮合而控制的。
- A multiple crash can often be seen on that motorway. 那条公路上的联环撞车事故很多。
