| 释义 |
Sand burial
基本例句
沙埋
In accordance with downhole tubing sticking bysand burialaccident, this paper proposes hollow rod sand washing after analysis of downhole string structure and hydraulic calculation of sand grain.针对处理井下油管砂埋遇卡事故作业中出现的技术问题,在分析井下管柱结构及砂粒的水力计算的基础上,提出了空心抽油杆冲砂工艺处理措施。
Application of hollow rod sand washing insand burialaccident空心抽油杆冲砂在处理砂埋事故中的应用
The impacts ofsand burialon seedling development of Caragana intermedia沙埋对中间锦鸡儿幼苗生长发育的影响 |