gallows tool

• 吊架,顶架

gallows tool的用法和样例：

例句

1. The main suspension gallows consist of a steel box beam, sitting on hydraulic jacks that support all the structure during concreting.
   主吊架有一钢箱梁组成，坐落在液压千斤顶上，在浇注混凝土过程中支撑所有结构。