They"re more powerful than other auto batteries, but they"re expensive and still don"t go far on a charge;
它们比其它汽车电池的电力更充足，但也更贵，不过充电后的行驶距离仍不够远；
For different valve timings and valve lifts, the rule and influencing factors of charge stratification were researched and the auto-ignition areas of chamber were statistically analyzed.
研究了不同配气定时以及不同气门升程工质分层程度的变化规律以及影响因素，对自燃着火区域进行了统计分析。
In March, Chery Auto unveiled a battery electric vehicle-the S18EV-that it says has a range of 150 kilometres on a single charge.
3月，奇瑞汽车推出了一款电池电动汽车—s 18 EV。据说这款汽车充电一次即可行驶150公里。
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