The one active mine in the United States, operated by the company Molycorp in Mountain Pass, California, halted production in 1998 after a radioactive-waste spill and was shuttered four years later.
加利福尼亚芒廷山口的一座美国钼业工司的稀土矿因为1998年的一场核废料泄露事故，在2002年就被关闭了。
The snowcapped peaks are Mount Griggs and (far right), part of an active system of ten volcanoes surrounding the valley, a hundred miles south of the proposed Pebble mine.
这两座山是建议开发的卵石矿南面一百英里的山谷周围十个活跃火山系统中的一个部分。
This article is aiming at some phenomenon of mining rights market in bauxite mine of Henan province, carrying on active exploration and thought.
本文针对河南省铝土矿矿业权市场中的一些现象，对铝土矿矿业权市场价格进行积极的探索和思考。
A friend of mine helped me to create the thread because I do not have an active account on the us servers yet.
由于我在美服还没有激活的账号，因此，我通过我的一个朋友的帮助创建了通行证。
The grain fineness and the ore phase of the limestone in Wulongquan mine was measured and the study on calcining active lime with experimental upright furnace was performed.
对武钢乌龙泉矿石灰石的晶粒度和矿相组织进行了测试； 同时在实验室竖式炉内用石灰石煅烧活性石灰。
It is an active exploration in the new audit method and mode of mine engineering audit.
是对矿山工程审计这种新的审计方法和审计模式的积极探索。
The synthetic sensor for the mine power loads mainly measured the current, voltage, active-energy and reactive-energy.
矿井电力负荷综合传感器主要是测量矿井电力负荷的电流、电压、有功电度和无功电度四个参数。
The synthetic sensor for the mine power loads mainly measured the current, voltage, active-energy and reactive-energy.
矿井电力负荷综合传感器主要是测量矿井电力负荷的电流、电压、有功电度和无功电度四个参数。
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