基于GPRS网络的主动式水位传感器研究
许景辉 马孝义
基于GPRS网络的主动式水位传感器研究
Study on Active Electrical and Mechanical Water Level Sensor Based on GPRS
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |