潜孔 meaning in English
submerged orifice
Examples
- Model swdb 120 mono - body hydraulic down - the - hole drill
120型一体化液压潜孔钻机 - Improvement on drilling rod of the cd - 360 drilling machine
360潜孔钻机用钻杆的改进 - The transform of dry dusting system of down - the - hole drill
潜孔钻机干式除尘系统改造 - Pneumatic down - the - hole groover and its application
风动潜孔刻槽机及其应用 - Model kqy90 hydro - pneumatic down hole drill rig
90型气液联动潜孔钻机