通过检测和测量呼出空气中的酒精含量，来确定某人血液中的酒精浓度的一种仪器的商标。
A trademark used for a device that detects and measures alcohol in expired air so as to determine the concentration of alcohol in a person's blood.
通过检测和测量呼出空气中的酒精含量，来确定某人血液中的酒精浓度的一种仪器的商标。
A trademark used for a device that detects and measures alcohol in expired air so as to determine the concentration of alcohol in a person's blood.
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