dayishan 中文意思是什麼
dayishan
解釋
大伊山-
After the investigation and study on alluvial tin deposit in changning dayishan mine, conclude that its geologic setting mainly iles in its structure and land form a proper scale of alluvial tin deposit were found in the limestone solution cave around dayishan granite body
摘要通過對常寧大義山砂錫礦的調查研究，總結分析了常寧大義山砂錫礦形成的地質條件主要受構造條件和地貌條件的影響。
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