During the construction of the water pile , every key step needs floating crane . compared with cable crane , the floating crane has the characteristics of low cost , large lifting capacity , easy assembling and operating . it is a good method and can be spread and used in the deep - water construction 在水中桥墩的施工过程中,每个关键步骤都需要浮吊作业,有了浮吊,无需缆索吊,就完成了施工,而且浮吊造价低、操作灵活、拼装简易、起重量大,在深水作业中,是一种值得推广和使用的好方法。