Safety has also come into question, as some of the lithium-ion batteries — widely believed to be the key to making viable electric cars — have shown a tendency to overheat and sometimes catch fire.
电动车的安全性也受到质疑，被普遍视为电动轿车商业化关键部件的锂离子电池有时可能出现过热甚至起火的现象。
Sometimes it is electric and you push a button to make it ring.
有时它是电的，而且你推动一个钮扣使它响。
Sometimes we also helped to maintain he hospital's small electric power station.
有时候我们也要帮忙维护医院的小发电机。
In the past, such well-known corporations as General Electric and Boeing have sometimes paid little or no tax by taking advantage of various special tax breaks.
过去，如通用电器公司和波音公司这样的知名企业，有时会利用各种特殊税的空子少缴税甚至不缴税。
The electric auxiliary system sometimes has condenser motor loads, and the starting of inductor motors can cause bus voltage fluctuation problem.
厂用电系统中一般带有集中电动机负荷，异步电动机启动会引起母线电压严重的波动。
Chuanr is a type of kebab - small pieces of meat on skewers roasted over charcoal or, sometimes, electric heat.
串儿应该算是烤肉的一种，只不过串在竹签儿上的肉小许多，但同样也是碳烤或是电热烧烤。
The current applications for weather deck de-icing usually consume much electric power. And sometimes we still have to ask some human force for help.
现有的舰面露天甲板的除冰方法往往需要消耗大量的电力，有时还要用一些人工方法来辅助除冰。
Sometimes the needles are joined to electric wires.
有时把针和电线连接起来。
Often, especially on an electric guitar, it sometimes sounds best to play two or three note chords. This is when power chords come in handy.
通常来说，特别是电吉他，只弹三两个音听起来是最好的。
Organic el belongs to a electric injection luminescence, and electrode materials should play very important role in carrier injection of el devices, which was, however, neglected sometimes.
由于有机el属于电注入发光，因而电极材料在EL器件的载流子注入中起着重要作用，但这往往被人们所忽略。
Organic el belongs to a electric injection luminescence, and electrode materials should play very important role in carrier injection of el devices, which was, however, neglected sometimes.
由于有机el属于电注入发光，因而电极材料在EL器件的载流子注入中起着重要作用，但这往往被人们所忽略。
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