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隧道施工中的通风、防尘、防毒问题是铁路建设中的老大难，一直成为影响施工进度、损害人体健康的重要问题。改善施工环境，保障人体健康，加快施工进度，最根本的途径是依靠隧道内燃机械排放控制技术的开发和应用。
Ventilation, dust-proof and anti-virus in tunnel construction have always been the crux of the railway construction and have always been an important issue affecting the progress of construction and damaging human health. Improve the construction environment, protect human health and speed up the construction progress, the most fundamental way is to rely on tunnel internal combustion engine emissions control technology development and application.