Safety cables are positioned on the sides as railings while the butt end of one handlebar is attached on a safety rail.

旁边的安全钢索即是栏杆，这样自行车扶手尾端就可以接到安全栏杆上。

youdao

By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.

采用两种过渡层方法，使用研制的过渡层焊接材料，结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。

youdao

In this paper, on the base of the study of flash butt welding theory, a new intelligent control system of rail flash butt welding is developed.

本文基于闪光焊接理论研究及钢轨闪光焊接的工艺要求，设计了一种智能控制的钢轨闪光焊焊接系统。

youdao