- 反循环洗孔钻进
- 反循环钻进
- 钻进反循环
- reverse: vt. 1.使颠倒，使倒转，使反转；使翻转；翻(案)。 ...
- circulation: n. 1.循环；运行。 2.传播；环流(量)，流通(量) ...
- drilling: adj. 尖锐的，辛辣的。 drilling eyes ...
- reverse-circulation rotary drilling: 反循环旋转钻进
- reverse circulation: 反循环冲洗; 逆行循环; 逆循环
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reverse circulation drilling中文什么意思
- 反循环洗孔钻进
- 反循环钻进
- 钻进反循环
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例句与用法
- The fault tree analysis of interruption of fluid in pump suction reverse circulation drilling
泵吸反循环钻进中循环液中断的故障树分析 - The stroke reverse circulation drilling machine of czf2000 - 1800 type is produced by our company newly to adapt to the demand of percussion drill market due to the development of road and bridge industry , it is specializedly used for pore forming of pebble and gravel stratum and hard stratum
1800型冲击反循环钻机是我公司最新研制生产的为适应我国路桥事业发展对冲击钻机市场的需求，专门用于卵砾石地层、坚硬地层中成孔的钻机。 - Under the function of big pressure and dynamic load , the grains may be moved which may cause the soil body distortion . at present , the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling , auger stem breast wall drilling and down - the - hole hammer follow down drilling
论文根据jsl ? 30型砾石钻机潜孔锤同心跟管钻具结构,采用程序计算得到了钻杆内各深度处压力分布、钻头压力降、环形空间压力分布及空气流速分布。
相关词汇
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