排气回压（Back pressure），引擎废气在排出的过程中受到的阻力，这可能是为了控制引擎噪音或者废气指标，而加装消声器或催化装置带来的阻力，也可能是某些...
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Throughout the whole executive process, the back pressure segment relates to the pressure loss of the wholeequipment.
整个实现过程中，回压段关系到整个装置压力损失的大小。
参考来源 - 天然气跨音速气水分离过程中收敛·2,447,543篇论文数据，部分数据来源于NoteExpress
推导了计算对地层回压的公式。
The formula for calculating the back pressure to formations is derived.
有三种类型的回压阀，即隔膜式、弹簧式和负荷杆式。
Three types of backpressure valves are diaphragm, spring and weighted lever.
得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.
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