As design studies progressed it was found that several airfoil shapes could be used to satisfy the new performance criteria . 当进行设计的研究工作后,发现有几种翼型可以用来满足新的性能指标。
Biotechnology - performance criteria for shaft seals 生物技术.轴密封的性能标准
Biotechnology . performance criteria for shaft seals 生物技术.轴密封件的性能标准
Biotechnology - performance criteria for centrifuges 生物技术.离心机的性能标准
En 12462 biotechnology . performance criteria for pumps 生物技术.泵的性能标准