设计研制了一种用于干湿交替环境下，自动采集阴极保护电位数据的装置。
A device used for automatic collection of cathodic protection potential data in cyclic wet-dry environments was designed and manufactured.
所谓可见显示装置实际上是一个阴极射线管。
The so - called visual display unit is in fact a cathode ray tube.
移动阴极：采用机械装置使被镀制件与极杠一起作周期性往复运动的阴极。
Mobile cathode: the mechanical device makes the plated with its poles together as a product of the periodic reciprocating motion cathode.
应用推荐