double-high stand的意思|示意

This paper introduces the construction technology of no stand hoisting template for high pier of box and double wall thin wall pier.

本文介绍了箱型及双墙薄壁墩高墩无支架提升模板施工工艺。

The invention provides an automatic double helix turning and setting device of side row stand seat with the advantages of simple structure, high transmission accuracy, and low failure rate.

本发明提供一种结构简单、传动精度高、故障率低的双螺旋副整排看台座椅自动翻放装置。