The air spring support is studied with two circles method, and the method is applied to the design practice of the coach compartment doors in this paper.

运用“两圆法”对气弹簧撑杆的安装进行研究，并应用于客车舱门的安装设计。

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The air spring support is studied with two circles method , and the method is applied to the design practice of the coach compartment doors in this paper.

运用“两圆法”对气弹簧撑杆的安装进行研究，并应用于客车舱门的安装设计。实践证明，这是一种简单、有效的安装设计方法。

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Anatomically precise support for the heel and ankle, air sacs for extra spring and comfort each year bring apparent new refinements.

在结构上来说，对脚跟和脚踝的恰好支撑，还有气囊带来的额外弹性和舒适度，每年都会有明显的改进。

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