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- All its assets is over 3 millon Yuan,RZ series of soft-rock drilling shaft are patent production of Ministry of Coal. 生产的RZ系列软岩钻杆是国家煤炭部通过技术鉴定的专利产品。
- An experimental study of mechanical characteristics of drilled shaft was carried out by resemble material. 用相似材料对钻井井壁底的力学特性进行了实验研究。
- Based on the test results, the design method of vertical bearing capacity of the retractable drilling shaft lining was obtained. 由此提出了可缩性钻井井壁竖向承载力的设计方法。
- Huainan Banji coal mine introduces precasting in Main Shaft and ventilation shaft,and drilling shaft lining is precast construction in ground. 淮南板集煤矿主井与风井采用钻井法凿井,钻井井壁在地面预制施工。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- Aiming at the fractured mechanism of mine shaft lining under the condition of stratum subsiding, a new type of retractable drilling shaft lining structure was proposed. 针对地层沉降条件下煤矿立井井壁的破坏机理,提出了一种新型可缩性钻井井壁结构。
- 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。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- 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。
- Flexibility, as in the shaft of a golf club. 弹性，韧性柔韧性，易变性，如高尔夫球棒的柄
- 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。
- A shaft on which a working tool is mounted,as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒。
- In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。
- The pupils filed out of the room during the fire drill. 在消防演习中，学生们排成纵队走出房间。
