The impacts of transverse and longitudinal shrinkage of welding seam on underframe positioning.
以及焊缝横向、纵向收缩对底架定位的影响。
2
In addition, the external size and the weight of the underframe are effectively reduced to further facilitate transportation and installation of a whole machine.
此外，本发明有效减小了底架的外形尺寸和重量，进而方便整机转场及安装。
3
The peeler for eliminating the polyethylene pipe oxidizing layer comprises a knife tool, which is characterized in that the peeler also comprises an underframe and a fixed bracket;