 |
| |||
| aerobic treatment; aerobic treatment The introduction of air into sewage so as to provide aerobic biochemical stabilization during a detention period | |||
| |||
| aerobic composting treatment | |||
| aerob behandling: 4 Phrasen in 1 Thematik |
| Umwelt | 4 |
|
| |||
| aerobic treatment; aerobic treatment The introduction of air into sewage so as to provide aerobic biochemical stabilization during a detention period | |||
| |||
| aerobic composting treatment | |||
| aerob behandling: 4 Phrasen in 1 Thematik |
| Umwelt | 4 |