... 采油立管 production riser 采油筛管 production screen 采油立管张紧器 production riser tensioner ...
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Screen printing production line 丝印生产线
Screen Practice and Production 影视实践与制作
MA Screen Studies with Production 荧屏研究与制作
Screen Printing Production Lines 丝网印刷生产线
screen production 荧幕制作
Screen Studies with Production 屏幕研究与生产
Basing on the sand plugging problem occurs in the process of oil field’s using underground screen pipe to prevent sand and the principles of energy conversion;a roller-type underground down production screen pipe is developed.
针对油田在用井下采油筛管防砂过程中出现的砂堵等问题,依据能量转换原理,研制出一种辗辊式井下采油筛管。
参考来源 - 辗辊式井下采油筛管的研制及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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