 |
| |||
| 岩石可钻性 | |||
| 岩石可钻性指岩石抵抗钻凿破碎的能力，它反映钻凿眼孔的难易程度。准确的岩石可钻性，是预估凿岩速度和制定凿岩生产.定额的科学依据,也是正确选择钻凿岩石方法与设计凿岩工具的理论基础 | |||
|
drillability of rock : 3 phrases in 1 subject |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips