You can read about smoke detectors in more detail in How smoke detectors Work, but the first one to hit the consumer market is called the ionization smoke detector.

你可以在烟雾探测器的工作原理一文中了解更多有关烟雾探测器的细节，但是第一款震撼消费者市场的烟雾探测器称为：电离式烟雾探测器。

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Model S250 ionization smoke detector is a dual chamber ionization type detector designed to respond to the first RACES of a fire by sensing both visible smoke and invisible products of combustion.

进口工业网的S250型电离感烟探测器是一种双电离室型探测器，用于第一时间在火焰中感应燃烧物有形和无形的烟。

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This is because the ionization detector may take significantly longer to react to smoke, which is silent and deadly to breathe.

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