The city was established in 1580 on the Rio de la Plata, or "river of silver, " and its merchants grew rich not from ore but from trading beef, grain, and produce grown on the surrounding Pampas.
河流名称的意思是“银之河”。 而当地的商人发家致富的手段并不是靠矿石,而是靠出售牛肉,谷物,以及生长在周围草原上的农作物。
The future for the other type of cargo ship-bulk carriers, which transport coal, iron ore, grain and so forth-is less rosy.
另一种形式货船的前景—运输煤,铁矿石,谷物等的散货船—就没有如此美好。
The micro grain gold can be divided into primary ore and oxidized ore according to the different working performance.
根据矿石加工技术性能,可把微细粒金矿分为原生矿和氧化矿。
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