音标与读法

这里为大家介绍下placer mining 是什么意思，希望能帮助到各位朋友。

中英文翻译

砂矿开采。

placer:n. 【矿物】(含金、铂等的)砂矿，砂积矿床(opp. ...mining:n. 1.采矿，采矿业，矿业。 2.敷设地雷[水雷]。 ...mining valuable minerals from a placer by washing or dredging

Placer mining ( or )Oxford English Dictionary is the mining of alluvial deposits for minerals. This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunneling equipment.单词网DAnCI.583316.com