Does not the K10 time of train tourist coach compartment promote sales of a thing in the evening?
K 10次火车硬卧车厢晚上没有推销东西么？
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。
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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