Poor fuel quality. Incomplete combustion and lack of sealing between piston and cylinder wall or badly losing valves. Possibly incorrect engine timing / set up.
燃油品质差，不完全燃烧和活塞与气缸壁之间的密封性差。 。
Poor people go hungry, in part, because Americans pay their farmers to divert crops from food to fuel.
穷人挨饿部分是因为美国公司从农民手中收购粮食，然后把农作物转化成燃料。
Finally, there is a very urgent need to recognize that poor countries that were already under strain-notably from suffering through the food and fuel crisis-should receive attention quickly.
最后，一个十分紧迫的任务是，承认已经受到压力的贫困国家(特别是受到食品和燃料危机的压力)应该尽快得到关注。
With the cost of food, fuel and fertiliser at historic heights, poor Swazi farmers could be back where they were last year before the planting season: unable to afford the basics to sow their land.
随着粮食、燃料和肥料价格达到历史高位，贫穷的斯威士兰农民将会回到去年播种季节前的处境：买不起生产所需的基本物资。
In poor countries, forests are cleared to provide fuel and farmland, but as people gain wealth and better agricultural technology, the farm fields start reverting to forestland.
在较穷的国家里，森林被清除从而用来提供燃料和能唱，但是随着人们获得财富以及较好的农业技术，农场土地开始转向森林使用。
That supposedly helps the poor. But Fatih Birol, the IEA's chief economist, says that the subsidies mainly benefit middle-income and higher-earning urban types; the rural poor use little fossil fuel.
发放补贴本是为了帮助穷人，但国际能源机构首席经济学家法提赫•比罗尔指出，得益于这些补贴的主要是城市里的中等及高等收入群体；贫穷的农村人很少消费化石燃料。
Poor countries were already coping with higher prices for food and fuel, putting 130m-155m people below the poverty line, the World Bank reckons.
世界银行估计，贫国已经在付出更高价格获取粮食与燃料，这使得1.3- 1.5亿人在贫困线下。
The World Bank estimates more than 100 million people became poor when food and fuel prices skyrocketed last year.
世界银行估计，大约有超过1亿人在去年的食品和燃料价格急剧上升时陷入了贫困。
The rural poor use little fossil fuel.
贫穷的农村人很少消费化石燃料。
In other words, depression could fuel poor body image, which could cause a teenager to believe that his acne is worse than it is.
换句话说，抑郁会推动糟糕的身体形像产生，这会让一个青少年认为他的痤疮比实际上要严重的多。
World Bank analysis shows that the impact of the crisis is being felt by poor people across the world, many of whom were already hit hard by the food and fuel crises.
世界银行分析显示，世界各国的贫困人民正在感觉到危机的影响，许多人此前已受到食品和燃料危机的沉重打击。
Some households spend as much as 30 percent of their income on lamps and fuel — this for two or three hours of poor quality light at night.
许多家庭在灯具和燃料上的支出占到其收入的30%之多，而这些只为了再每晚能够有两到三个小时的亮光。
Diesel engines are almost unknown in emerging markets other than India because poor-quality diesel fuel is associated with trucks.
柴油引擎在新兴市场除了印度外几乎没人知道，因为质量低劣的柴油与卡车联系在一起。
The poor have been hard hit by the impact of rising fuel costs.
穷人在燃料价格上涨中受到沉重打击。
We are poor people, and we all wanted to get some fuel for the winter.
我们穷人都希望得到一点燃油过冬。
Fuel subsidies help the rich more than the poor.
燃料补贴使富者更富。
People in poor countries burn wood as fuel.
贫困国家的人们烧木头作燃料。
Through the catalysis of modifier, it successfully solves the problems of low-carbon fuel with poor ignition performance at low temperature and gas lock at high temperature.
通过改性剂的催化作用，成功解决了低碳燃料低温引燃性差、高温时易发生气阻的问题；
Most of these people are poor, live off the land in some manner, use wood for fuel, and, are unlettered.
大多数人都贫穷，以各种各样的方式依靠土地为生，以木材为燃料，且没有受过教育。
But, if the wind blew down a tree, a poor person could take the wood for fuel.
但是，如果是大风吹倒了一棵树，穷人就可用那棵树作柴火了。
Meanwhile, it is the world's poor who suffer as ever more of the world's productive land is devoted to growing fuel, rather than food.
同时，当世界上更多的耕地用于种植燃料而不是种植粮食，受苦的是世界穷人。
We reaffirm our commitment to rationalise and phase out inefficient fossil fuel subsidies that encourage wasteful consumption, recognising the need to support the poor.
我们重申逐步取消鼓励浪费的化石燃料补贴，同时对最贫困人群提供支持。
Excessively large sizes of particles give rise to reduced reactivity of fuel, causing start-up problem and poor gas quality.
粒子尺寸过大引起的燃料减少，反应性，导致启动问题的气体质量差。
At low temperatures, mixture formation is poor due to the large fuel droplets concerned, and due to the inefficient mixing of the fuel with the air drawn in by the engine.
低温时，燃油黏度和密度增大，且发动机所吸入的空气无法与燃油充分混合，从而影响油气混和气的形成。
At low temperatures, mixture formation is poor due to the large fuel droplets concerned, and due to the inefficient mixing of the fuel with the air drawn in by the engine.
低温时，燃油黏度和密度增大，且发动机所吸入的空气无法与燃油充分混合，从而影响油气混和气的形成。
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