needle beam scaffold是什么意思

用法例句

The steel pipe bracing falsework is a kind of the outside falsework.

钢管支撑式挑脚手架是外脚手架类型的一种,在高层工程施工中应用较多。

The bowl-scaffold support is wildly used in bridge construction in recent years is introduced.

对近几年来桥梁施工中广泛采用的碗扣式脚手架支撑做了介绍。