The pollution of the raw gold ore roasting system has resolved successfully after re-design and modification on the other hand the usage of heat exchanger reduces the coal consumption.
对金矿原矿沸腾焙烧系统重新核算后进行改造，成功地解决了环境污染问题，同时换热器的使用降低了煤耗，节约了能源。
Since 1993, the share of raw coal in Inner Mongolia′s total energy consumption has remained around 90%.
自1993年以来，内蒙古原煤消费量占能源消费总量的比重一直保持在90%左右。
Since 1993, the share of raw coal in Inner Mongolia′s total energy consumption has remained around 90%.
自1993年以来，内蒙古原煤消费量占能源消费总量的比重一直保持在90%左右。
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