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| aerobic treatment; aerobic treatment The introduction of air into sewage so as to provide aerobic biochemical stabilization during a detention period | |||
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| aerobic composting treatment | |||
|
aerob behandling : 4 phrases, 1 sujets |
| Environnement | 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 phrases, 1 sujets |
| Environnement | 4 |