PDF(1547 KB)
PDF(1547 KB)
PDF(1547 KB)
上覆地层及管内充物对非金属管线探测的影响
The Impact of Overlying Strata and Tube Filling on the Non-Metallic Pipeline Detection
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |