permanently-installed
| reference electrode
| permanently installed | |
| automat. | fijo |
| reference electrode | |
| earth.sc. | electrodo indiferente |
| el. | electrodo de referencia |
| |||
| fijo n | |||
|
permanently-installed : 2 phrases in 2 subjects |
| Chemistry | 1 |
| Natural sciences | 1 |