laochang 中文意思是什麼

laochang 解釋
老廠
  1. Genesis of lead and zinc deposit of laochang type, guangxi

    廣西老廠式鉛鋅礦床成因研究
  2. Geology and genesis of laochang ag - cu - pb - zn polymetallic ore deposit in lancang yunnan province

    瀾滄老廠銀銅鉛鋅多金屬礦床地質特徵及成因探討
  3. Geology and genesis of the lateritic type ag - mn ore deposit at laochang in lanchang area, yunnan province

    雲南瀾滄老廠紅土型銀錳礦床地質特徵及成因探討
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