PDF(168 KB)
PDF(168 KB)
PDF(168 KB)
山地地震勘探取芯钻具设计及钻井方法
Core drilling and drilling method research for seismic exploration in mountain areas
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |