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 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | ditch | 水路 | |||
| 2 | ditch | 下水溝 | |||
| 3 | ditch | どぶ | |||
| 4 | ditch | 溝 | |||
| 5 | collection ditch | 集水渠 | |||
| 6 | discharge ditch | 排出溝 | |||
| 7 | discharge ditch | 流出溝 | |||
| 8 | drainage ditch | 排水溝 | |||
| 9 | intercepting ditch | 遮集溝 | |||
| 10 | oxidation ditch | 酸化池 | |||
| 11 | oxidation ditch | オキシデーションディッチ法 | |||
| 12 | oxidation ditch method | 酸化溝法 | |||
| 13 | side ditch | 側溝 | |||
| 14 | storm-water drainage ditch | 雨水排水溝 | |||
