The sufficient conditions to an instable structure are heavy mass, small stiffness and damping and tall with high aspect ratio.
形成不稳定的充分条件是结构的质量轻、刚度小、阻尼小、或是高度(长度)大、长细比大。
The method of design and the damping valve structure can be a useful guide in the design of hydro pneumatic suspension, especially in heavy duty vehicle design.
提供的设计方法和结构方案可以作为油气悬挂，特别是重型车辆油气悬挂阻尼阀设计的参考。
A wedge type rubber mounting is an important damping element for steyr heavy duty truck, it is installed on frame used to support transmission gearbox.
斯太尔橡胶楔形支承是斯太尔重型汽车上的一个重要减振元件。它被安装在车架上用来支承变速器。
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