Shield tunnel is an attractive excavation method in the construction of municipal underground engineering.

盾构法隧道施工在城市地下工程建设中有着广泛的应用前景。

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Shield tunnel is an attractive excavation method in the construction of municipal underground engineering.

盾构法隧道施工在城市地下工程建设中有着广泛的应用前景。

youdao