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本刊讯在青藏高原西藏北部海拔高达4500米的世界最大的物流中心—那曲物流中心的工地上,有台白色的旋挖钻机表现卓越,得到了项目部各级领导的赞誉。它就是中联上海分公司生产的ZR220C型旋挖钻机。那曲属亚寒带气候区,高寒缺氧,气候恶劣。为保证施工
Benxi hearing in the Tibetan Plateau in northern Tibet up to 4,500 meters above sea level the world's largest logistics center - Naqu logistics center site, Taiwan's white rotary drilling rig outstanding performance, has been praised by the project leaders at all levels. It is ZR220C rotary drilling rig produced by Zoomlion Shanghai Branch. Arboretum subtropical climate zone, cold and hypoxia, poor climate. To ensure construction