shelter cave 中文意思是什麼
shelter cave
解釋
防護洞-
This paper discusses elimination of disturbance, detection of air - raid shelter, check up of road surface and lining quality of channel and detection of karst cave
文章針對消除干擾的方法、關于防空洞探測、關于公路路面檢測和隧道襯砌質量檢測、地下巖溶探測等內容進行了探討。
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