电子工程专业词汇E ... earthed neutral 接地中线 earthed neutral system 接地中线系统 earthenware conduit 陶瓷管道 ...
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There are extensive rare earth deposits in the United States and elsewhere.
美国和其他地方都有不少的稀土矿藏。
According to the Baotou institute, heavy rare-earth deposits in the hills here will be exhausted in 15 years.
包头稀土研究所称,储量丰富的大型稀土矿将在15年内采尽。
Most of the rare earth deposits found were located in international waters, therefore Japan may face limitations if it plans to exploit the minerals.
海底稀土的分布范围多处于公海,因此日本要进行开采和使用面临着诸多限制。
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