电动汽车不仅节省能源，降低尾气排放，而且开动起来也更加安静。
WHEN cars run on electric power they not only save fuel and cut emissions but also run more quietly.
在购买新车时，多考虑购买可以节省能源而且温室气体排放量较低的车子。
When purchasing a new car, consider buying an energy-saving and low green house gas emission car.
太阳能汽车不仅节省能源，而且即使在高速行驶时噪音也很小。
Solar cars not only save energy, and even in the high-speed traffic noise is minimal when.
为节省能源，不仅要改进汽车自身的性能，而且还应研究城市道路交通条件及设施对汽车燃油消耗影响的规律。
To save fuel consumption, it is feasible to improve the performance of cars and to study the impact of urban road traffic conditions and facilities on the law of fuel consumption.
本发明的优点是结构简单，耗气量低，节省能源，而且废气少。
The invention has the advantages of simple structure, low gas consumption, saved source and small waste gas.
本发明较已有技术衬里简单，节省能源，生产效率高，而且不会损坏泵壳，耐磨性能好，前后泵盖可单独更换，可降低用户维修成本。
The lining is easy to form, high in production efficiency, no damage to volute, and high in wear resistance. The pump has replaceable front and back pump cover for lowering maintenance cost.
本发明较已有技术衬里简单，节省能源，生产效率高，而且不会损坏泵壳，耐磨性能好，前后泵盖可单独更换，可降低用户维修成本。
The lining is easy to form, high in production efficiency, no damage to volute, and high in wear resistance. The pump has replaceable front and back pump cover for lowering maintenance cost.
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