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	Paraguay tea parainfluenza parajournalism parakeet paralanguage paraldehyde paralegal paralinguistic parallax parallaxes parallel parallel parallel bars parallel cousin paralleled parallelepiped parallelepipedon parallelepipeds paralleling parallelism parallelisms parallelogram parallelogram parallelopiped parallelopipedal

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