| 1. | Dual probe guiding hole drilling process for accurate probe contact 凸形孔制程,提高探针准确度。 |
| 2. | It s suitable for pcb drilling process 适用于pcb业钻孔垫板。 |
| 3. | Problem and technology resolution in the drilling process of well jin 金1井钻井过程中的技术难题及对策 |
| 4. | The automatic anti - jamming control in rock - drilling process for down - the - hole drill 潜孔钻机凿岩过程自动防卡钻控制 |
| 5. | Drilling instrument is the major application to monitor and analyze the drilling process , making drilling more safe and rational 钻井参数仪表是钻井工程监测钻井过程、进行科学分析和科学决策的重要工具。 |
| 6. | Abstract : the drilling wire rope of a rig ' s hoisting system suddenly brokeduring drilling process , cause serious damage of equipment 文摘:钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂,造成设备顿钻事故。 |
| 7. | Drilling parameters instrument is the important implement to monitor and analyze the drilling process , and to make scientific decision - making about drilling process 钻井参数仪表是钻井工程中监测钻井过程、进行科学分析和科学决策的重要工具。 |
| 8. | After the various visual defects during drilling processes were analyzed , the importance of drilling with compressive pre stress was presented 以加工效率为指标,通过正交试验对钻头的磨料粒度、浓度、水槽数和壁厚等因素进行了优化分析,确定了适宜的刀具参数。 |
| 9. | Moreover , the drilling process needs to be refined so that the deeper aquifers are not poisoned by arsenic - bearing water trickling down from the shallow aquifers through the boreholes themselves 还有,钻孔的过程必须要改良,较浅含水层中的砷才不会经由凿孔向下蔓延,进而污染了较深的含水层。 |
| 10. | During drilling operations , power is directed to the various machine functions by a pump power drive gearbox . the actual configuration is dependent on the drilling process 发动机的动力通过齿轮箱以及其驱动的液压主泵被传递到各个工作部件,实现对各个钻机功能操作.用户可根据实际的要求灵活选择设备配置 |