| 1. | Hammer drilling ; connecting tap for hammer drilling support 冲击钻.冲击钻支座用连接锤头 |
| 2. | Masonry drills . tapers of hammer drills 砖石砌工用钻机.风钻的锥度 |
| 3. | Carbide alloy electric hammer drill 硬质合金电锤钻头 |
| 4. | Sds - plus shak electric hammer drill 二坑圆柄电锤钻 |
| 5. | Masonry drills , with hard metal tips . hammer drills . characteristics 建筑用硬金属钻头钻.冲击钻头式钻机.特性 |
| 6. | Development and application of jm - 1 hammer drilling machine with hydraulic hole 1型全液压潜孔锤钻机的研制与应用 |
| 7. | Tapered shank eledtric hammer drill 锥柄电锤钻 |
| 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. | 8 it can be used with various drilling methods such as carbide bit drilling , anger drilling , dth hammer drilling and 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。 |
| 10. | 8 the rig is suitable for various drilling methods such as carbide bit drilling , auger 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。 |