Mobile cathode: the mechanical device makes the plated with its poles together as a product of the periodic reciprocating motion cathode.
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。
2
Device used to move automatic guns in a vertical plane. A reversing or reciprocating drive system provides motion.
喷枪在垂直面自动移动的装置，一个回动的或往复式的提供移动的装置。
3
Reciprocating feeding paper was controled by the electrical appliance switch with automatic size display and manual fine tuning device with accuracy position.