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重点介绍WD120型桅杆式起重机的技术性能参数、构造特点及采用的多项先进技术。这一机型适用于各种特大型桥梁水上基础施工的吊装作业。
Focuses on WD120-type mast crane technical performance parameters, structural features and the use of a number of advanced technologies. This model is suitable for a variety of extra large bridge water infrastructure construction hoisting operations.