 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | trench | 海溝 | |||
| 2 | trench | トレンチ | |||
| 3 | cut off trench | 止水溝 | |||
| 4 | gravel trench | 暗渠排水 | |||
| 5 | leaching trench | 浸出溝 | |||
| 6 | trench excavation | 布掘り | |||
| 7 | trench method | トレンチ工法 | |||
| 8 | entrenchment | 掘削 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | trench | 海溝 | |||
| 2 | trench | トレンチ | |||
| 3 | cut off trench | 止水溝 | |||
| 4 | gravel trench | 暗渠排水 | |||
| 5 | leaching trench | 浸出溝 | |||
| 6 | trench excavation | 布掘り | |||
| 7 | trench method | トレンチ工法 | |||
| 8 | entrenchment | 掘削 | |||
|