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|---|---|---|---|---|---|
| 1 | retention time | 滞留時間 | |||
| 2 | retention time | 保持時間 | |||
| 3 | identification, storage, protection, retrieval, retention time and disposition of records | 記録の識別、保管、保護、検索、保管期限及び廃棄 | |||
| 4 | sludge retention time | SRT | 汚泥滞留時間 | ||
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|
|---|---|---|---|---|---|
| 1 | retention time | 滞留時間 | |||
| 2 | retention time | 保持時間 | |||
| 3 | identification, storage, protection, retrieval, retention time and disposition of records | 記録の識別、保管、保護、検索、保管期限及び廃棄 | |||
| 4 | sludge retention time | SRT | 汚泥滞留時間 | ||
