Encourage social funds to enter the oil circulation.
鼓励社会资金进入石油流通领域。
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。
Airproof connections in oil circulation, air exhaust at initial installation and filter change, as well as the improvement of configuration layout by 3d visual design are also discussed.
讨论了油路连接密封、初装和更换滤芯时的排气措施以及通过三维可视化设计改善机箱布局等问题。
Since primary transformer of electric locomotive adopts the forced oil-circulation cooling method, its heating computation is rather complicated and difficult.
电力机车主变压器采用强迫油循环吹风冷却方式，其发热计算较为复杂和困难。
Since primary transformer of electric locomotive adopts the forced oil-circulation cooling method, its heating computation is rather complicated and difficult.
电力机车主变压器采用强迫油循环吹风冷却方式，其发热计算较为复杂和困难。
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