鉛鉱

えんこう

• lead mine; lead deposits n

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鉱害

こうがい

• pollution or environmental damage due to mining n

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鉱物質

こうぶつしつ

• mineral matter n

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鉱物資源

こうぶつしげん

• mineral resources n

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鉱油

こうゆ

• mineral oil n

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