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14 天
燃气管道老化问题日益凸显,如何应对燃气突然泄漏?
燃气管道的使用寿命一般在20至30年之间,我国多个城市部分早期建设的管道已接近或超过设计使用年限,面临着严重的老化问题。老化管道主要表现为材质退化、腐蚀加剧、密封性能下降等,这些隐患如同定时炸弹一般无法自持,一旦遇到外力破坏、自然灾害或不当操作便容易 ...
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