saddle scaffold

例句：

1. 1. The engineer used a saddle scaffold to build the bridge.
   工程师使用一个鞍架来建造这座桥。
2. 2.The construction workers were using a saddle scaffold to lift heavy loads.
   建筑工人正在使用一个鞍架来举起重物。
3. 3. The new building is supported by a saddle scaffold that can withstand high winds.
   这座新建筑由一个可以承受大风的鞍架支撑。