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from an engineering construction perspective, the "ningbo-zhou railway" is a challenging project. its difficulty and complexity far exceed that of ordinary undersea high-speed rail tunnels. due to complex geological conditions, the tunnel must pass through the city and then the sea, and must pass through more than 40 risk sources such as oil pipelines, seawalls, docks, and access channels. especially on the ningbo side, the geological conditions are more complex. the tunnel first passes through the city and then through the sea, so many difficulties need to be overcome.

as an important equipment of the project, the "yongzhou" shield machine plays a key role in the construction of the project. it will break through numerous obstacles and complete the excavation task. hard rock and unevenly soft and hard strata account for nearly 70% of the construction area of ​​the "yongzhou" shield machine. it has to complete 12 sections of hard rock stratum excavation and undergo 24 changes in soft and hard strata. this not only tests the technical capabilities of the shield machine, but also tests the wisdom and experience of the project builders.

during the national day holiday, project builders still stuck to their posts and made every effort to promote project construction. they overcame difficulties, worked hard, and contributed to the smooth opening of the "yongzhou-zhou railway". from project construction to all aspects of project construction, every link embodies the yearning for a better life in the future.

during the construction process of the "yongzhou" shield machine, every step is full of challenges and opportunities. it demonstrates the great strength of modern engineering construction technology. these technologies not only bring new impetus to urban development, but also bring more convenience to people's lives. in the future, with the smooth opening of the "ningbo-zhoushan railway", transportation between ningbo and zhoushan will be more convenient and economic benefits will be further improved, which is of great significance to promoting regional economic development and social progress.