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petroleum-basedCOCA⁵⁷¹⁸¹BNC²³⁶²¹³⁺¹iWeb³⁴⁷⁰⁴ 基本例句 🌏加油站型便利店;和加油站型;便利店和加油站型 Because biodiesels can be made from materials derived from plants, which use carbon dioxide to grow, they potentially have a much lower carbon footprint than petroleum-based fuels. 由于生物柴油的原料都是来自与植物,而植物本身就会转化为二氧化碳,所以这样的话使用生物燃料的碳排放相对来讲比使用化石燃料的碳排放要小。 yeeyan Corn is one of the most energy intensive crops, requiring large amounts of synthetic nitrogen fertilizers and petroleum-based pesticides. Soybeans require different fertilizers and pesticides. 玉米是高能量作物的一种,对人工合成氮和杀冲剂有很大的需求。大豆则需要不同的化肥和杀冲剂。 en400 |