Rectify the axis lines, levelness and elevation of the positioning form, fix it by electric welding on the bearframe and then weld sufficient supports and lifts.
校正定位模板的轴线、水平度和标高，用电焊固定在支架上，并焊上足够数量的支撑和拉杆。
2
Trailing 7-2 early in the evening, Higgins brought his immense pride of performance to bear, reducing this to 7-4 and almost snatching the next frame from 0-70.
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.