| |||
| 基本勘探线为全面揭露地质情况,按勘探规范对勘探线间距的要求布置的勘探线 | |||
|
basic exploratory line : 2 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 2 |
| |||
| 基本勘探线为全面揭露地质情况,按勘探规范对勘探线间距的要求布置的勘探线 | |||
|
basic exploratory line : 2 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 2 |