英语词汇“placer mining”是什么意思，“placer mining”的读音、用法及例句翻译-烛光网

词汇	placer mining
释义	placer miningn.（名词） The obtaining of minerals from placers by washing or dredging.采砂矿：通过清洗或网捞从砂矿中获得矿物 Related Forms继承用法placer miner n.（名词）
随便看	underwhelmed underwhelming underwhelms underwing underwire underwood Underwood underwool underworld underwrite underwriter underwritten underwrote under–the–counter under–the–table undescended testicle undeserved undesigning undesirable undetermined undid undies undignified undine undine dropper

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