砂积矿床 shājīkuàngchuáng placer Definitions Defs Origin Strokes Stroke Words Sentences Sents 砂积矿床 砂積礦床 shājīkuàngchuáng placer placer; an alluvial deposit containing valuable minerals or metals
砂积矿床 砂積礦床 shājīkuàngchuáng placer placer; an alluvial deposit containing valuable minerals or metals
