Relating to or designating a body having an excess of electrons 阴电荷的关于或表明有过量电子的躯体的
2.
Measurements of the electrical properties of transmitting tubes - measuring methods of static characteristic curve for common cathode circuit 发射管电性能测试方法共阴电路静态特性曲线的测试方法
3.
Aerospace series - electrical contacts used in elements of connection - contacts , electrical , female , type a , crimp , class s . product standard 航空航天系列.用于连接成份的电触点. a型s级卷曲阴电触点.产品标准