pulse polarity
| selector
| pulse polarity | |
| tech. | 脉冲极性 |
| selector | |
| CNC | 选择开关 |
| hockey. | 挑边器 |
| manag. | 挑选人; 选拔者 |
| met. | 选择器; 调谐旋钮; 波段开关 |
| |||
| 脉冲极性 | |||
|
pulse polarity : 4 phrases in 1 subject |
| Technology | 4 |