fatigue-failure of drill string

常见例句

双语例句

• Finally under the combined effect of alternating load, impact load, corrosion and other factors, early fatigue failure of drill-string happens.
  ④最后钻具在交变载荷、冲击载荷、腐蚀等因素的联合作用下发生早期疲劳断裂失效。
  lib.swpu.edu.cn
返回 fatigue-failure of drill string