钻杆接头的各种纵向开裂属于低应力脆性断裂。
Longitudinal crack of drill pipe box joint is brittle fracture at low stress.
在有些结构中停滞在低应力区的裂纹起着降低约束的作用。
In some structures the cracks arrested in low stress areas served to relieve the restraint condition.
低应力冲刷磨损的测试是在混砂盘及橡胶轮两种磨损试验机进行。
Low stress erosion wear tests were done in sand mixing pan and rubber wheel wear testing machine.
应用推荐