A catalytic bed made of silver - plated nickel screens was designed and fabricated 设计和加工了镀银镍丝催化室。
2.
The coupling of this voltage to the lamp may be accomplished using a thin nickel wire wrapped around the surface of the lamp envelope 该电压和闪光灯之间的连接可以通过缠绕在灯壳上的细镍丝或涂在灯壳表面的金属条纹来实现