有几个品种的生质燃料，其中包括乙醇、甲醇、生物柴油和压缩天然气。
There are several varieties of biofuel, which include ethanol, methanol, biodiesel and compressed natural gas.
我们的压缩机产品有油、气、电等多种动力驱动方式，压缩气体介质也包括空气、氮气和天然气。
The compressors can be driven by various methods such as petroleum, gas and electricity and set for multi-kinds of compressed media, such as air, nitrogen and natural gas.
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