The polycyclic aromatic sulfur heterocycles (PASH) in the environment is characteristic as the stable nature, not easy to be degraded, strong toxic and potential danger.
有机含硫芳烃化合物（PASH）性质稳定，不易降解，毒性极强，具有潜在的危害特征。
The polycyclic aromatic sulfur heterocycles (PASH) in the environment is characteristic as the stable nature, not easy to be degraded, strong toxic and potential danger.
有机含硫芳烃化合物（PASH）性质稳定，不易降解，毒性极强，具有潜在的危害特征。
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