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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。
- exploratory tunnel drilling method 勘探坑道掘进方法
- The test bench for coal mine underground tunnel drilling rig 煤矿坑道钻机性能检测试验台
- Keywords tunnel drilling;hybrid type airiness;remove the dust; 巷道掘进;混合式通风;除尘;
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They' re drilling a new tunnel under the Thames. 在泰晤士河河床下钻凿一条新隧道.
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- They're drilling a new tunnel under the Thames. 他们正在泰晤士河下面挖一条新的隧道。
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- 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。
- 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。
