Steadydelivery without pulsation, little vibration and noise.
输送液体平稳、无脉动、振动小、噪音低。
2
So, not only the product quality is steady and timely delivery.
所以不但产品质量稳定而且交货及时。
3
At normal delivery and above, when velocity distributions are fairly steady, the pressure and total head generated may be derived from the velocity distributions with reasonable accuracy.