TB 880e掘进机是根据秦岭隧道的修建条件而从德国WIRTH公司订购的全断面硬岩掘进机。
TB880E hard rock TBM was imported from WIRTH Company of Germany according to the construction condition of Qinling tunnel.
TB 880e掘进机是根据秦岭隧道的修建条件而从德国WIRTH公司订购的全断面硬岩掘进机。
TB880E hard rock TBM was imported from WIRTH Company of Germany according to the construction condition of Qinling tunnel.
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