back pressure

基本解释

Very tolerant to exhaust back pressure.
非常宽容的排气背压。
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Seating load and tightness is dependent on back pressure.
阀座密封负载和紧密性与反压力相关。
Nat also asked about back pressure: "It seems that when data grows out of memory, the performance seems to degrade significantly."
Nat还问了反向压力问题：“看起来当数据的增长超过内存时，性能会明显降低”。

When I am facing a lot of pressure at work, my back and neck will start to hurt.
If I place my container of gas on the table here, and I come back an hour later, the pressure needs to be the same when I come back Otherwise it's not equilibrium.
如果我把装气体的容器放在桌子上，一小时以后我再回来时,气体的压强应该是不变的,否则它就不是平衡的。
麻省理工公开课 - 热力学与动力学课程节选
It's reversible, that means that p external, equals p. I'm doing it very slowly so that I'm always in equilibrium between the external pressure and the internal pressure so I can go back and forth.
我都可以不损失能量，而把过程逆向进行,整个过程中的,每一步都保持平衡,现在我们来分别。
麻省理工公开课 - 热力学与动力学课程节选

This would cause push back and pressure on pricing for larger licensing deals on their traditional networks.
FORBES: UltraViolet: Boom Or Bust For Studios And Consumers?

the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
the exhaust pressure in external combustion engines