Australians ever since have enjoyed cheap power from this dirty source of carbon-dioxide, the main culprit of global warming.
自此澳大利亚人就利用这种产生大量二氧化碳的燃料获取廉价能源，而二氧化碳恰恰是全球变暖的罪魁祸首。
Petroleum coke can be used as a cheap and readily available carbon source in many engineering applications.
石油焦是一种廉价的石油副产品，主要成分为碳。
Petroleum coke can be used as a cheap and readily available carbon source in many engineering applications.
石油焦是一种廉价的石油副产品，主要成分为碳。
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