网络释义专业释义英英释义
... 砂矿解冻 frozen placer thawing 砂矿井采 placer mining 砂矿开采 placer mining; alluvial mining; placering ...
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beach placer mining 海滨砂矿开采
beach placer mining industry 海滨砂矿开采业
method of littoral placer mining 滨海砂矿开采法
placer gold mining 砂金矿开采
hydraulic mining of placer 砂矿露天水力开采
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浅层矿开采 - 引用次数：1 参考来源 - 美国西部矿业的浅层开采及其影响（1848—1878）
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砂矿开采砂矿淘采
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句权威例句
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This primitive form of placer mining is still used in some places for panning gold.
这种原始的砂矿开采形式至今还在一些地方用来淘金。
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In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the Marine environment.
露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。
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Placer mining is based on the FACT that heavier substances can be separated from lighter ones in water.
较重的物质可在水中与较轻的物质分离，砂矿开采正是利用这个原理。
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