And, the lagging technology leads to the disadvantages such as poor pressure stability, slow response, high noise, short life and low reliability of piston pumps.

技术上的落后造成了柱塞泵稳定性差、响应慢、噪声大、寿命低和可靠性低等缺点。

youdao

Screw pump is a new type of liquid delivery of machinery, with a simple structure, safe and reliable use of easy maintenance, a continuous uniform fluid, pressure, stability and so on.

螺杆泵是一种新型的输送液体的机械，具有结构简单、工作安全可靠，使用维修方便、出液连续均匀、压力稳定等优点。

youdao

At the same time, they are under pressure from the stability and growth pact to take action to reduce those deficits.

ECONOMIST: Still sickly | The

Most of the time the FPC and MPC will be leaning in the same direction: credit booms that threaten financial stability will also tend to add to the pressure on inflation.

ECONOMIST: The Bank of England

The crisis has put considerable pressure on Karzai and raised more doubts about his ability to usher in some stability.

NPR: Afghan President Meets Bush at Camp David