Cold working dies of superior machinability for general use; for large product quenching or wire electronicdischarge machining.
切削性优异的通用冷作模具钢。注意大型加工品的淬火及钢丝电火花加工。
2
The necessity and basic idea of electrostatic protection in assembling electronic devices are presented by introducing the electrostatic and electrostatic discharge(ESD)briefly.
通过对静电及静电放电（ESD）的简单介绍，提出了在电子装联中进行静电防护的必要性和基本思路。
3
The formation rate of ozone due to the point-to-plate pulsed high-voltage corona discharge was calculated with electronic collision theory.