沥青由什么组成对人有什么影响(铺在路面的那种,尘较多的,是否有毒性,对人有什么影响)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 13:07:17
![沥青由什么组成对人有什么影响(铺在路面的那种,尘较多的,是否有毒性,对人有什么影响)](/uploads/image/z/3251388-12-8.jpg?t=%E6%B2%A5%E9%9D%92%E7%94%B1%E4%BB%80%E4%B9%88%E7%BB%84%E6%88%90%E5%AF%B9%E4%BA%BA%E6%9C%89%E4%BB%80%E4%B9%88%E5%BD%B1%E5%93%8D%28%E9%93%BA%E5%9C%A8%E8%B7%AF%E9%9D%A2%E7%9A%84%E9%82%A3%E7%A7%8D%2C%E5%B0%98%E8%BE%83%E5%A4%9A%E7%9A%84%2C%E6%98%AF%E5%90%A6%E6%9C%89%E6%AF%92%E6%80%A7%2C%E5%AF%B9%E4%BA%BA%E6%9C%89%E4%BB%80%E4%B9%88%E5%BD%B1%E5%93%8D%29)
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