The rushes of projects stationing in the Eastern Industrial Zone have occurred on the basis of position advantage, land price advantage plus the unique matching and preferential policies.
园区的区位、土地价格优势加上独有的配套及优惠政策已经产生项目进驻的潮动。
It has characteristics of hydraulic setting, bi-directional slip anchoring, and fishing property of matching releasing tool, so it's an ideal tool for water shutoff and separate zone production.
它具有液压坐封、双向卡瓦锚定、配套丢手打捞工具打捞等基本特点，是油田卡堵水、分层采油的理想配套工具。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
文章分析了高强度X80 钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
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