ultra deep well

• 超深井

ultra deep well的用法和样例：

例句

1. Abstract With the increase of the coiled tubing works in high pressure and deep wells, the coiled tubing collapse pressure become more and more important in coiled tubing works.
   随着连续油管在高压井和超深井中作业次数的增多，连续油管的压力挤毁问题日益突出。