 |
| |||
| protective earth | |||
| |||
| protective earthing; protective grounding | |||
| temporary earthing | |||
| protection ground; protector ground | |||
| earthing | |||
|
schutzerdung : 5 短语, 2 学科 |
| 通讯 | 1 |
| 隔离 | 4 |
|
| |||
| protective earth | |||
| |||
| protective earthing; protective grounding | |||
| temporary earthing | |||
| protection ground; protector ground | |||
| earthing | |||
|
schutzerdung : 5 短语, 2 学科 |
| 通讯 | 1 |
| 隔离 | 4 |