我们能源系统的主要组成部分，如燃料生产、提炼、发电和分配，用的是昂贵的、使用寿命较长的装置。
The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life span.
没有其他国家可以媲美巴西的分销网络，所以短期来看，乙醇将大部分用于燃料的添加物，而不是燃料的主要成分。
No other country can match Brazil's distribution network, so in the short term ethanol will be mostly an additive to fuel, not the main ingredient.
第一代生物燃料所用的原料是植物体可食用的部分，主要是玉米和大豆(美国做法)及甘蔗(巴西做法)。
First-generation biofuels derive from edible biomass, primarily corn and soybeans (in the U.S.) and sugarcane (in Brazil).
最近几周，主要由于维护而导致的炼油厂停工是本季度燃料价格飞涨的部分原因。
Refinery outages in recent weeks, largely for maintenance, are part of the reason fuel prices have rocketed up.
其主要来源于塑料和树脂工业中广泛使用的增塑剂，也有相当部分来源于工业燃料的燃烧。
They mainly come from plasticizer in plastics and resins, and also partly come from burning of industrial fuel.
混合动力摩托车系统动力由使用LPG燃料的发动机和轮毂式直流无刷电动机提供，本文主要论述摩托车的电驱动设计部分。
The drive power of the hybrid motorcycle consist of engine using LPG fuel and wheel-style brushless DC motor, however here only the electric drive system is introduced in detail.
原油中那些较轻的部分主要用作燃料，但每一部分发出的热量各有不同。
The lighter parts of the crude oil are used mainly for fuel, but each one differs from the others in the amount of heat it will give off.
本发明的主要用途： 1。可以用作所有在海上航行的轮船的发动机，这样所有使用本发明的海上轮船 就可以节省大部分的燃料。
The main application of the engine includes: 1. being used as an engine of all steamships sailing on sea, therefore, all the steamships on sea using the engine can save most of fuels;
本发明的主要用途： 1。可以用作所有在海上航行的轮船的发动机，这样所有使用本发明的海上轮船 就可以节省大部分的燃料。
The main application of the engine includes: 1. being used as an engine of all steamships sailing on sea, therefore, all the steamships on sea using the engine can save most of fuels;
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