| 1. | The service department of nitro nobel ab has developed a drilling method which can also be used in sandpits to eliminate overhang . 诺贝尔炸药公司业务部研究成功一种打眼方法,可以用来排除采砂场中的突出部分。 |
| 2. | Tapered drilling method for drainage holes in crooscut 石门排放钻孔锥体施工方法 |
| 3. | A preliminary probe into drilling methods of arrest boxing 擒敌拳训练方法初探 |
| 4. | Percussion - rotary - extruding drilling method and the cam extruding bit 冲击回转挤压成孔方法及凸轮型挤压钻头 |
| 5. | Drilling method of pin hole : the pin hole shall be predrilled by supplier prior to hot dip galvanization 销钉孔的钻法:销钉孔应为供应商在热镀锌预钻好。 |
| 6. | Study on coal seam roof gas drainage from the strike of annular fracture areas by the long drill method 开采煤层顶板环形裂隙圈内走向长钻孔法抽放瓦斯研究 |
| 7. | Chinese workers used the ancient chinese well - drilling method in the railroad construction to settle problems 这是当时华工运用的在筑路中解决了大难题的中国古代钻井法。 |
| 8. | 8 it can be used with various drilling method such as carbide bit drilling , anger drilling , dth hammer drilling , follow - up casing drilling etc . 3 8钻机可适用多种钻进工艺方法,如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。 |
| 9. | Standard guide for use of casing advancement drilling methods for geoenvironmental exploration and installation of subsurface water - quality monitoring devices 地下水质量监测设备安装和地质环境勘探用套管先进钻探方法的标准指南 |