BT ( Build - Transfer ) mode ( bellow as BT ) is a new type of investment-construction mode which originated from the BOT .

BT（建设&移交）（ 以下简称BT）是从BOT发展演变而来的一种 新型的投资建设模式。

In this paper the load character of the hydraulic bellow - type expansion joint is studied and the MSC .

本文从分析水工 波纹 管伸缩节结构的荷载特点入手，使用MSC。

Balanced area bellow type valve

面积平衡 式 波纹 管阀

Both of the old board rock of ore bodies that bellow Jingyang road and the old board rock of mining room now are belong to same nature of rock is the second category nearly the first type .

金阳公路 下伏矿体的老顶白云岩和现采场的老顶白云岩在岩体工程性质量上是一致的，都是Ⅱ类岩接近Ⅰ 类岩石。

Research on design parameters of bellow - type expansion joint

波纹 管伸缩节设计参数的研究

Mechanical Problems of Bellow type Rubber Spring

曲 囊 式橡胶空气弹簧的一些力学问题