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- The invention uses backplate of header section as drilling platform, which can stretch forth-and-back, sway left-and-right, be adjusted in height, and revolve itself to accomplish the tunnel drilling. 本发明具有前后伸缩、左右摆动、上下高度调整及护顶机自身伸展收缩折叠等功能。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- exploratory tunnel drilling method 勘探坑道掘进方法
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- 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。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- 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。
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
