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温度计红色液体有毒吗

更新时间: 2019-04-05 00:00:00     

红色液体的温度计里面是煤油,就危害而言,内容液体无危害,是染色后的煤油。水银价格高、有毒;酒精的沸点温度低,测量温度范围小。采用煤油红液温度计,价格低,可靠性高,测量温度范围可达零下25摄氏度~210摄氏度,而且很容易读数。

关键词: 温度计 红色 液体 有毒

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