deep placer 中文意思是什麼
deep placer
解釋
深部砂礦-
Placer abnormal of volcanic lithoclast at longjingjie in kaili of guizhou locates in regional shidongkou deep and major fault nearby, abnormal materials that are obsidian lithoclast and volcanic glass
貴州凱里龍井街火山巖屑重砂異常位於區域性施洞口深大斷裂近旁,異常物質為黑曜巖屑及火山玻璃。
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