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- A black mineral is an ore of niobium and tantalum. 一种黑色矿物是铌、钽矿石。
- titanium niobium tantalum concentrate 钛铌钽砂
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏，包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- The run status for tantalum &niobium industry in China in 2006 is summarized. 评述了2006年中国钽铌工业的运行状况。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
- Those countries are rich in mineral resources. 那些国家矿物资源很丰富。
- We are digging for mineral deposits. 我们正在掘地探矿。
- Each mineral has crystals of a particular shape. 每种矿物的晶体都有其特殊的形状。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
- The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively. 摘要我国的钽占世界储量的20%25，铌占世界储量的1.;5%25。
- A narrowing of a mineral deposit, as in a mine. 减少矿物沉积物的减少，如在煤矿中
- Among the high temperature nonferrous metals are molybdenum, niobium, tantalum ,and tungsten. 高温有色金属包括钼，铌，钽，钨。
- An actual or probable mineral deposit. 矿石，矿藏确实的或可能的矿藏
- The steel worker come out in sympathy with the miner. 钢铁工人为声援矿工举行了罢工。
- Any of several hard,strong alloys of iron,aluminum,nickel,cobalt and sometimes copper,niobium,or tantalum,used to make strong permanent magnets. 铝镍钴合金，磁钢由几种硬的强金属，如铁与铝、镍、钴等合成，有时是铜、铌、钽合成，用来制作超硬度永磁合金
