 |
| |||
| rotation; cutting age; exploitation age; felling age | |||
| exploitable age; removal age | |||
|
age d'exploitation : 3 短语, 3 学科 |
| 劳动法 | 1 |
| 林业 | 1 |
| 运输 | 1 |
|
| |||
| rotation; cutting age; exploitation age; felling age | |||
| exploitable age; removal age | |||
|
age d'exploitation : 3 短语, 3 学科 |
| 劳动法 | 1 |
| 林业 | 1 |
| 运输 | 1 |