PDF(1963 KB)
PDF(1963 KB)
PDF(1963 KB)
可控震源DGPS主站电瓶低电压无线电报警和自动续电器的研制与应用
The Development and application of the battery low voltage radio alarm and automatic continuation appliance of vibrator DGPS base station
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |