山区铁道
Recently, shield machine was widely used in many areas, such as construction of water conservancy and hydropower culverts, urban underground engineering and construction of artificial canal, underground tunnel, mine, mountain railway and highway tunnel.
近年来,盾构机在水利水电涵洞、城市地下工程、海河地下隧洞及矿山、山区铁路、公路隧道施工中得到了越来越广泛的应用。
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