与柴油机相比较，D 40最高油管压力下降，油管压力波动幅值较大，具有较高的泵端残余压力。
Additionally, compared with diesel fuel, D40 has a lower line pressure, higher pressure fluctuations and has a pump side residual pressure.
本文为了能够更好的节约成本保证安全生产，在考虑井下油管压力影响的条件下，对节流油嘴进行优化设计。
This article is devoted to ensure the safe production based on considering the effects of downhole tubing pressure conditions to optimize the design of the chokes.
通过模拟调试验证了结合上位机和下位机对油井大钩负荷、原油油管压力和油管内原油温度的远程监测和现场监控。
Simulating and debugging verified host computer in combination with other crew achieved remote monitor and onsite monitor of the oil well hook load, pressure and temperature of crude oil pipeline.
通过模拟调试验证了结合上位机和下位机对油井大钩负荷、原油油管压力和油管内原油温度的远程监测和现场监控。
Simulating and debugging verified host computer in combination with other crew achieved remote monitor and onsite monitor of the oil well hook load, pressure and temperature of crude oil pipeline.
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