overhead travelloing crane是什么意思

网络释义

用法例句

Unitip the rof surport bracket and the crane truss for demotishop cotumn in the light-steel workforms with protal frames the method of that desigh and calculation were intrduced in this paper.

本文介绍了在门式刚架轻钢厂房有抽柱的工程中,将屋盖托架和吊车桁架进行连体设计的思路及计算和构造要领。

According to the contrast of the three schemes, such as crane truss, welding I-shaped crane girder and welding box-section crane girder, the design scheme of box-section crane girder is adopted by con sidering with the economy and the safety.

对某工程中的23·4m跨度吊车梁的设计进行介绍,比较吊车桁架、焊接工字形吊车梁、焊接箱形吊车梁三种方案,最后从经济性和安全性的角度考虑,选择箱形吊车梁作为设计方案。