皮金是非洲国家塞内加尔西部的城市，由达喀尔区负责管辖
从电解法到高温皮金法，用了各种工业工序提取镁，但其能源成本十分高昂。
Various industrial methods are used to extract magnesium, ranging from an electrolytic process to a high temperature method called the Pidgeon process, but the energy cost is high.
语言：英语为官方语言，广泛使用美拉尼西亚皮金语，大约有120种方言。
Language: English is the official language, but Melanesian pidgin is much more widely used. There are approximately 120 native languages.
语言：有742种以上的土语方言。英语和皮金语较为流行。英语和莫土语是议会中使用的官方语言。
Language: there are more than 742 native languages. Pidgin and English are in common use. English and Motu are the official languages in Parliament.
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