铈钨电极没有放射性污染，属于绿色环保产品，它仅用很小的电流就可轻松起弧，而且维弧电流也较小。
Cerium-Tungsten Electrode is a nonradiative and green product . It can start performing arc with a low current .
由于太阳是没有污染和放射性的无穷无尽的丰富资源，具有明显的优点。
Solar energy has the obvious advantage that the sun is an inexhaustible and abundant source which is free of both pollution and radioactivity.
还有大量被污染的水从核电站泄露出去，没有人确切知道该怎样处理从里面提取出来的放射性物质氚。
There's a whole lot of contaminated water still leaking out of the power plant, and no one's quite sure how to get rid of the radioactive tritium they're extracting from it.
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