Tower cranes are the construction equipment essential to all kinds of high-rise buildings and large-scale construction projects.
塔式起重机是各类高层建筑和大型建设工程必不可少的施工设备。
Under network environment large-scale construction projects involves very complicated risks.
网络环境下大型建设项目风险异常复杂。
Under network environment large-scale construction projects involves very complicated risks.
网络环境下大型建设项目风险异常复杂。
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