This gives improved retractor blade stability with the mechanical advantage of a lever.
这样增加了牵开翼的稳定性，同时兼具杠杆原理的力学优势。
2
In the paper, a SFRC (Steel Fibre Reinforced Concrete) cylindrical thin shell is designed and fabricated and its stability behaviors arc tested with a specially-made loading lever-system.
本文设计创作了一个钢纤维混凝土圆柱薄壳，采用一套特制的杠杆加载体系对其稳定性能进行了测试。
3
So the hydraulic automatic tilting gate with connecting lever and rolling wheel can ensure the stability of itself.