Screw pump is a kind of rotary pump, when the outlet end is blocked, the pressure will gradually increase, so that more than a predetermined pressure value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
The idea is with the help of vacuum pump to increase the pressure difference between material hopper and vacuum chamber, hence the packing environment can be achieved.
通过真空泵减压，使真空室里面的负压慢慢增大，在产品供应漏斗和真空室之间产生压差，从而实现包装过程。
The top plug has a solid body that provides positive indication of contact with the landing collar and bottom plug through an increase in pump pressure.
顶塞具有一个实心的塞体，根据泵压的增加它能可靠地显示与止塞箍和底塞的接触。
To solve these problems and assure production safety, it was decided to add an oil pump, increase the oil pressure in the related circuits properly and to add an energy reservoir.
为了解决上述问题，确保安全生产，研究采取了增加油泵，适当提高相关回路油压和增加蓄能器等措施。
If the load suddenly decreases, the pressure in the inlet of pump will increase to 3-4 times as high as normal.
若外负载突然降低，液压泵进油压力将比正常情况增加3—4倍。
CONCLUSION: l-THP can not only decrease the blood pressure, but also improve the coronary circulation and increase the efficiency of heart pump.
结论：l -THP不仅具有降压效应，而且还可改善冠脉循环，提高心脏泵功效率。
As the increase of the pressure difference, the contact pressure increases, the contact pressure of iso-wall thickness progressive cavity pump is larger than that of common one.
随着压差的增加接触压力相应增加，等壁厚螺杆泵比普通螺杆泵接触压力大；
Screw pump is a positive displacement rotary pumps, when the export side blocked after, the pressure will gradually increase, so that the pressure exceeds a predetermined value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
When the pressure decreases, variable pump will detect this change and automatically increase the angle to augment flow capacity, which causes the grab back to normal working condition.
一旦工作压力降低，泵感应到压差增大，会自动增大斜盘角度增大排量，抓斗又处于工作状态。
When the pressure decreases, variable pump will detect this change and automatically increase the angle to augment flow capacity, which causes the grab back to normal working condition.
一旦工作压力降低，泵感应到压差增大，会自动增大斜盘角度增大排量，抓斗又处于工作状态。
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