medium duty scaffold是什么意思

用法例句

Recent years,the safety of high scaffold has become the focus of construction site,and one of the most important problems is the geometrical stability.

近年来高型脚手架的安全成为建筑工地使用的焦点,其中最重要的一个问题就是脚手架的几何不变条件。

Probing into the bearing capacity of П shape scaffold;

П型脚手架承载力的探讨

This paper introduces the application of WDJ scaffold in construction of box arch bridge , gives a more detailed description of its structural features, construction s checking calculation and others.

WDJ碗扣型脚手架操作灵便 ,结构稳定 ,便于保管 ,是桥梁、房建支架工程新材料 ,值得推广使用。