| filter | |
| construct. | dræn; drænområde; drænzone; filterområde; filterzone |
| el. | frekvensfilter |
| environ. | grovfilter |
| math. | filter |
| tech. el. | bølgefilter |
|
polyphase : 37 phrases in 4 subjects |
| Electronics | 33 |
| General | 1 |
| Information technology | 1 |
| Mechanic engineering | 2 |