The tail frame: installed in bed, and guide rail along the guide rail, adjusting to the longitudinal mobile work position.

尾架：安装在床身导轨上，并沿此导轨纵向移动，以调整其工作位置。

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Also, improve the overlapped length of the tail frame and the frame and change the welding seam into intermittent seam, therefore the frame strength...

改善尾架与车架的搭接长度，将连接焊缝改为断续焊缝，从而有效地提高了车架的强度。

youdao

Also, improve the overlapped length of the tail frame and the frame and change the welding seam into intermittent seam, therefore the frame strength can be effectively increased.

改善尾架与车架的搭接长度，将连接焊缝改为断续焊缝，从而有效地提高了车架的强度。

youdao