词汇“placer”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	placer
释义	placerplacer[ˈpleisə]n.1.■【矿】(含金、铂等的)砂矿, 砂积矿床a beach placer海滨砂矿bench placer阶地砂矿placer gold砂金placer mining砂矿开采
随便看	layer board layer brick ice cream layer build dry cell layer-built layer cake layer charging layer crystal layer depth layered column chromatography layered medium layered porous medium layered structure layered vessel layer impedance layer insulation layer lattice type layer of a distributed winding layer of ballast layer of carbon layer of cement layer of cloth layer of compensation layer of concrete layer of cutting layer of gravel

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