The effect of negative pressure on sand fixation is large, so a…
负压度对砂子的固定作用很大，必须调节合适的负压度和负压保持时间。
The effects of negative pressure on brain tissue were investigated.
作者将负压对脑组织的作用进行了实验研究。
Objective To study the hemodynamic effects of negative pressure ventilation.
目的研究体外负压通气对血流动力学的影响。
As the level of negative emotion rises, we feel mounting pressure.
随着消极情绪程度增加，我们感到越来越大的压力。
Most people have survival pressure, I also am, have survival pressure there will be a lot of anxiety, positive people will get from anxiety power, but negative people will get lost because of anxiety.
大多数人都有生存压力，我也是，有生存压力就会有很多焦虑，积极的人会从焦虑中得到动力，而消极的人则会因为焦虑而迷失方向。
On the whole, work pressure is of two fold. It has its positive side and negative one.
总的来说，工作压力具有两面性，既有积极的一面，也有消极的一面。
This negative pressure phase is of short duration .
负压周期的延续时间很短。
This negative pressure phase is of short duration.
负压周期的延续时间很短。
This quantity is identical to the negative of the thermodynamic pressure.
这个量等于热动力压力的负值。
The gas extraction effects is related to negative pressure of suction.
顶板瓦斯高抽巷的抽采效果与抽放负压直接相关。
A vacuum pump creates negative pressure for correct operation of the filtrate recovery system.
真空泵产生的负压是保证滤液回收系统的正确运行。
Meanwhile, the control of air flow, furnace negative pressure and primary air flow are introduced.
同时也介绍了送风量、炉膛负压和一次风量的控制。
In this paper, the negative pressure wave method for pipeline leak detection and location of.
本文研究了负压波法在管道泄漏判断和定位中的应用。
Vacuum dust collection system is system of high negative pressure and low air flow.
简介：真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
Vacuum dust collection system is system of high negative pressure and low air flow.
真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
Vacuum dust collection system is system of high negative pressure and low air flow.
真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
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