老人正坐在他那上下颠倒的弹簧床上：精细的圆腿直指天空，系在木框上的绳子已被打湿。
THE old man was sitting on his string bed. But it was upside down; its finely rounded legs were pointing to the sky, and the knotted ropes strung across its wooden frame were wet.
老人正坐在他那上下颠倒的弹簧床上： 精细的圆腿直指天空，系在木框上的绳子已被打湿。
THE old man was sitting on his string bed. But it was upside down;
单密封唇V形弹簧加强，适用于转轴圆度不佳或偏摆较大的密封。
Single lip with "V" spring reinforced, suitable for poor roundness and largely swung rotary shaft sealing.
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。
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。
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。
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.
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