Acetylene is a simple asphyxiant and anesthetic. Experiments have shown there to be no harmful effects from chronic exposure to acetylene at high concentrations.

  • 乙炔是简单的窒息物和麻醉剂。实验显示慢性接触高浓度乙炔没有有害影响。

  • 互联网摘选 2025-01-19 23:23:49

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