placer mining中文,placer mining的意思,placer mining翻译及用法

2025-10-09 12:38 浏览次数 8

placer mining

英[ˈpleisə ˈmaɪnɪŋ]美[ˈplæsɚ ˈmaɪnɪŋ]

砂矿开采;淘金

placer mining 英语释义

英语释义

  • mining valuable minerals from a placer by washing or dredging

placer mining 例句

英汉例句

  • 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。

  • 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。

  • 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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