blue spar 中文意思是什麼
blue spar
解釋
天藍石;藍晶-
Suqian is ample in mineral resources. its reserve of quartz sand, pottery clay, blue spar and yellow sand ranks among the top of the provincial - level cities in china
宿遷礦產資源豐富,石英砂、陶土、藍晶石、黃砂儲量居全國省轄市之首。
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