When the door frame is seriously distorted, the main beam, the supporting legs, the lower beam, the trolley and the connecting piece of the frame can bear large distortion stress.
在门架严重扭曲时的主梁、支腿、下横梁、台车及他们之间的连接件均会承受很大的扭曲应力。
2
The trolley and cables supporting the road segment are clearly visible at the end of the girder.
台车和缆绳支持路段清楚地是可看见的在大梁的末端。
3
Two sides of the walking trolley are all equipped with elevating supporting legs.