positive pressure

常见例句

This form of matter is characterized by having a large positive pressure.
这种物质形式的特点是具有很大的正压。
Positive pressure includes encouragement from family or friends an online forum a help group in your neighborhood or the readers of your blog.
积极的压力包括来自于家庭，朋友，网络论坛的鼓励，邻里之间和博客读者的帮助。
The tank provides constant positive pressure to the face mask. An SCBA provides the best protection, but has the following problems
气瓶向面具提供正压。

Human Rights Watch researcher Chris Albin-Lackey says that the international community is in the position to put significant positive pressure on the government to adhere to its democratic constitution, but that instead the region has largely been left on its own.
So if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.
也就是当活塞,压缩气体的时候，做的功是正的，按照这一规定,我们需要在这里，加上一个负号，这是习惯规定。
麻省理工公开课 - 热力学与动力学课程节选
I'm pressing on the gas. So I expect that to be a positive number. The pressure is constant 0 p. The V goes from V1 to zero.
我们对气体加压,所以这应该是一个正数,压强是常数，p，V从V1变成。
麻省理工公开课 - 热力学与动力学课程节选

The biggest hurdle was that the plastic had to be strong enough to hold the positive pressure of air pumped in, says Michael Metta, Sealed Air's technology chief.
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Positive pressure often keeps us in the job!
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