柴油车尾气粒子，是城市烟雾的主要组成部分，是由外表包裹着有机化学和五金的碳芯组成的。

Diesel exhaust particles, a major part of urban smog, consist of a carbon core coated with organic chemicals and metals.

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尽管堆芯熔毁的概率很低，但是这种事件会对这种非碳能源产生难以抹去的耻辱。

But, although the risk of a nuclear core meltdown is very low, the impact of such an event creates a stigma around the noncarbon power source.

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流量开关由磁芯、复位弹簧、锻铜或聚碳外壳和传感器组成。

Flow from the core switch, reset spring, wrought copper or polycarbonate shell and the sensor.

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