由于无嗅、无色、无味、无刺激性，氩没有警告性特征。
Since argon is odorless, colorless, tasteless, and non-irritating, it has no warning properties.
由于无嗅、无色、无味、无刺激性，氮没有警告性特征。
Being odorless, colorless, tasteless, and non-irritating, nitrogen has no warning properties.
由于无嗅、无色、无味、无刺激性，氮没有警告性特征。
Being odorless, colorless, tasteless, and non-irritating, nitrogen has no warning properties.
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