bottom rail

The bottom of a connecting rail is provided with a plurality of notches for increasing flexibility.

为了增加柔性，在连接轨底开有若干处切口。

According to the beneficial influence of superelevation to the flatcar bottom raised from rail surface, it is advised that the suitable superelevation ( 20-30) mm is necessary in the minimum radius curve negotiation.

根据超高对车底轨面高度抬高的有利影响，建议在最小半径曲线通过时应当有适当的超高量（20-30）mm。

Basal crack in steel rail is a larger breakage occurred in the center of steel rail bottom.

钢轨底裂是出现于轨底中央部分较大的破裂，严重时有底裂缺陷的钢轨达钢轨总产量的3.52%.本文探讨钢轨底裂的基本特征及其来源；

Design of Dust Removing System to the Electrical Equipment at the Bottom of Light Rail Vehicle

轻轨列车底部电器移动式除尘系统设计

Sometimes, if you stand on the bottom rail of a bridge and lean over to watch the river slipping slowly away beneath you, you will suddenly know everything there is to be known.

有时倘若你站在桥最下面一根栏杆上，弯腰看河水从你身下缓缓流过，你会突然顿悟一切。

The model number can be found on the bottom rail.

产品型号位于围栏底部。

The load cell can also be moved up and down the length of the bottom rail.

负载细胞也可以提出向上和向下的长短，底部的铁。

The wearing and loss failure often occur between the two matching faces of the self-locking mechanism and the rail, which also happen to the faces between the large-scale component's bottom and the rail's upper level.

传统滑移施工常常发生自锁机构与轨道接触面的磨损失效，以及大型构件与轨道表面的磨损失效，往往造成滑移部件的严重损耗。