【hard_rock_mining】什么意思_英语hard_rock_mining的翻译_音标_读音_用法_例句_在线翻译

hard rock mining

[矿业] 硬岩开采

在露天开采的金矿中，通常矿石的质素为1至5 g/1000 kg (1–5 ppm)，, 地下硬岩开采（Hard rock mining）或是地下开采（Underground mining）的矿石的质素通常至少有3 g/1000 kg (3 ppm)。

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短语

Hard Rock Mining Manager 世界着名化学公司招聘

地球科学

·2,447,543篇论文数据，部分数据来源于NoteExpress

A second form involves technology used for exploration boreholes in the hard rock mining industry.

小井眼的第二种形式包括使用了在采矿工业中使用的硬岩石中的勘探技术。

youdao
At least 3,350 active mining claims exist for all types of hard-rock exploration within the area.

目前至少有3350个活动的采矿队正在这一地区寻找重金属矿脉。

youdao
At least 3, 350 active mining claims exist for all types of hard-rock exploration within the area.

目前至少有3350个活动的采矿队正在这一地区寻找重金属矿脉。

youdao

更多双语例句

Senior Administrator for Cluff Gold,Clifford Patnelli, says mining for gold in the hard rock will be a first for Sierra Leone.

VOA: standard.2010.04.22

The Elimination of Double Subsidies for the Hard rock Mining Industry Act takes on depletion allowances for mineral extraction based industries.

FORBES: Connect
There is free access to 216 million acres or about 9% of all public land for the purposes of hard rock mining.

FORBES: Connect
It will be challenging for the company as it transitions from soft-rock mining to hard-rock mining.

FORBES: High Costs In 2013 Will Continue To Be A Hurdle For IAMGOLD

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