网络 Tower crane installation
If a tower crane is located at the top of a frame structure , the steel beams will be installed under the crane to undertake its weight.
将塔吊安装于既有框架建筑顶部,在塔吊底部设计钢梁承担重力荷载;
—— 给力词典精选Construction Effects of Large and Deep Foundation Pit Support with Soil- Nailed Wall and Related Tower Crane Installation
大型深基坑以土钉墙作围护的施工效果及基坑内塔吊安装
—— 给力词典精选