弹簧中径 mean diameter of coil
- 小套管井井身存在显著的变径,在工具下入过程中,极易发生阻隔现象,因此设计了配套的弹簧片导入装置。
Since the wellbore of small casing well has significant altered diameter,which makes isolation and blocking condition happen easily during running down the tool.
您正在访问的是
中国词汇量第二的英语词典
更多精彩,登录后发现......