 |
| |||
| test cell | |||
| measuring spark gap | |||
| measuring spark-gap; spark meter; sphere gap voltmeter; spintherometer | |||
|
spintermetre : 2 短语, 1 学科 |
| 电子产品 | 2 |
|
| |||
| test cell | |||
| measuring spark gap | |||
| measuring spark-gap; spark meter; sphere gap voltmeter; spintherometer | |||
|
spintermetre : 2 短语, 1 学科 |
| 电子产品 | 2 |