本发明涉及一种大型破损地脚螺栓对接专用套筒及其对接方法。

The invention relates to a special butt joint sleeve for a large breakage anchor bolt and the butt joint method thereof.

youdao

本发明涉及一种大型破损地脚螺栓对接专用套筒及其对接方法。

The invention relates to a special butt joint sleeve for a large breakage anchor bolt and the butt joint method thereof.

youdao