drilling accident in hole的意思|示意
美 / /
英 / /
井下钻井事故
drilling accident in hole的网络常见释义
孔内事故 ...词：钻探；孔内事故；预防及处理 中图分类号：P634.8 文献标识码：B [gap=651]Key words: drilling; drilling accident in hole; prevention and treatment illing ...