为保证生产安全，提出了防止丁二烯自聚的措施和安全清理丁二烯储罐内过氧化物的方法。
The countermeasures against the autopolymerization of butadiene and method to clean peroxide in butadiene tank are presented.
对这个数据库进行安全清理的方法是通过管理界面一次一个文档地删除这些所张贴的 blog 和评论。
The safe way to clean out this underbrush is to delete the blog posts and comments one document at a time through the administrative interface.
生活在贫民窟，意味着他们没有清理垃圾的基础设施，没有安全的饮水供应。
Living in slums means they don't have infrastructure to take the garbage away.
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