[医] 水下疗法(治脊髓灰质炎)
In coring drilling under-water cement grouting was often used for wall protection leakage blocking borehole sealing and downhole accident treatment .
在岩心钻探中,常常要 用水 下灌注水泥的方法来护壁、堵漏、封孔、 处理井故。
[医] 水下疗法(治脊髓灰质炎)