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1·From saltpeter mines in Chile.

从智利的硝石矿里。

2·Well, the British didn't let Chile sell saltpeter to Germany.

英国不允许,智利把硝石卖给德国。

3·The nitrate is also called saltpeter, and the carbonate is called potash.

硝酸盐亦称硝石，碳酸盐亦称钾碱。

4·Early Chinese scientists discovered that they could make an explosive substance by mixing sulphur, charcoal and saltpeter.

早期的中国科学家发现把硫磺，木炭和硝石混合在一起可以制作出能够爆炸的物质。

5·At the beginning of 2005, Longgui Saltpeter mine in Guangdong Province has succeeded in applying new technology in this kind of salt mines with numerous economic and social effects achieved.

广东龙归硝盐矿于2005年初在该类盐井实施的新工艺获得了成功，取得了巨大的经济效益和社会效益。