It has a practical significance on construction of directional drilling.
对正确指导定向井施工具有较大的实际意义。
The diamond drilling method discribed in this paper is easy to do and has a practical significance.
这种钻探技术，是一项简而易行，又十分有意义的技术工艺。
Accordingly, it has a practical significance to study employment and reemployment of the vulnerable groups.
因此，研究弱势就业群体的就业与再就业问题具有十分重要的现实意义。
应用推荐