High conversion could be obtained by using the tail oil circulation process and other integrated processes.
采用尾油循环和其它组合工艺，可以得到较高的重渣油加氢转化率。
The on-site drying method by using hot oil circulation and hot oil spray, its process and the operation result for large transformer are introduced.
介绍了采用热油循环及热油喷淋法现场干燥大型变压器的方法、过程和运行效果。
In the exploitation process of Tahe oilfield, the phenomena of "blowout following loss circulation" appear for some oil Wells during work-over job.
前言：在塔河油田开发生产过程中，个别油井在修井作业中出现先漏后喷的现象。
In the exploitation process of Tahe oilfield, the phenomena of "blowout following loss circulation" appear for some oil Wells during work-over job.
前言：在塔河油田开发生产过程中，个别油井在修井作业中出现先漏后喷的现象。
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