drill shaft meaning in Chinese
排种机轴
钻杆，钻柄
Examples
- Boring for centring pins in hollow - drilled shafts of wheel sets
轮副空心钻轴中定心销的镗孔 - Optimization analysis for the location of the compressive joint for the drilling shaft lining
钻井井壁可缩性接头位置的优化分析 - Experimental study on mechanical mechanism of retractable drilling shaft lining under the condition of stratum subsidence
地层沉降条件下可缩性钻井井壁受力机理的试验研究 - Preparation and application of high strength and high performance concrete of drilling shaft lining in special deep alluvium
特厚冲积层钻井井壁高强高性能混凝土配制研究及其应用 - The high speed drilling shaft and pin cylinder system work at the same reference axis to ensure high work precision and convent operation
高速精密钻孔主轴和钉销气缸系同基准轴线上工作，能保证工作精度高，操作方便。