横梁

An idea of crossrail and geaxbox maintenance and electric system renovation for HD12.5 planer.

介绍了HD12.5龙门刨床、齿轮箱修理及电气系统改方案。

Cook forced the goalkeeper to back-pedal and push a shot over the bar.

库克迫使守门员快速后退，的球挡出了。

A central ring creates an ovular oculus which is the center-point of the space.

一个中心环状在整个空间的中央建了一个圆形舞台。

A timber fell from the roof.

一根从屋顶落下。

Belt grinder adopted a technology of floatable beam, moreover, belt can be tensioned flexibly and the deviation can be adjusted quickly.

磨削机采用了浮动术，能实现砂带的柔性张紧和快速调偏。