地下管线测量
- 网络underground pipeline survey
地下管线测量地下管线测量
underground pipeline survey
测绘专业英语 -... ... 地图注记 map lettering 地下管线测量 underground pipeline survey 地下铁道测量 subway survey ...
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Accelerating Survey of City's Underground Pipelines Relying on Scientific and Tecllnological Progresses