Coal accounts for approximately 70% of the total primary energy consumption in China, which is greatly higher than the global average level (27.1%).

在我国的初级能源消费总量中，煤炭占约70%，远高于世界平均水平(27.1%)。

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Combined with life cycle assessment principle, the total primary energy consumption and green house gases (GHGs) emission of methanol-gasoline pathway are analyzed.

结合生命周期评价原理，对煤制甲醇与原油制汽油混合而成的甲醇汽油路线的能源消耗与温室气体排放进行生命周期分析。

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However, in current main biochemical sewage treatment technology, the aeration devices are the primary energy-consuming equipments, which system costs about 50-70% of the total power consumption.

但在当前主流的生化法处理工艺中，曝气设备是其中的主要耗能设备，曝气系统电耗约占处理厂全部电耗的50 - 70%。

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Bioenergy is also a crucial element in the country's energy sector, supplying almost 20% of total primary energy consumption.

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The estimates of total primary energy consumption are those of the EIA. For GDP figures, the EIA used data from Global Insight.

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