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1·The artificial dig hole perfusion stake of coteau road's bridge is one of the common construct method, which has the merits such as simple technology, easily mastery, and has wide prospect.

山区公路桥梁人工挖孔灌注桩是一种常见的施工方法，其技术简单，易于掌握，具有十分广阔的应用前景。

2·Is a mistake everyone to living to changes with the prospect, scheme other people human life that like with the technical ability's dirty place, such as black hole.

是误人人生和前途，企图改变别人好的人生和技能的肮脏的地方，如黑洞。

3·The domestic and foreign status of the research and development on vibration drilling micro-hole is summarized, and the applying prospect and the existing problems are also analyzed.

介绍了振动钻削技术的加工原理，综述了振动钻削加工微小孔的国内外研究现状，分析了振动钻削技术的应用前景及存在的问题。

4·With the development of oilfield and a great use of well-bore tools, such fishing technology will have a wide prospect applied to the more and more complex conditions of down-hole operations.

随着油田的深入开发，井筒工具的大量使用，井下作业越来越复杂，该项打捞技术具有广阔的应用前景。