A major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam.
一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离来精确地设置犁的深度。
2
This strut braces the beam.
这根柱子支撑房梁。
3
In this thesis, based on the dynamics of flexible multi-body systems, the analysis of dynamical systems of cable-strut and beam steel structure and the corresponding simulation research is addressed.