The invention relates to a concrete joint plastic sealing material.
本发明涉及一种混凝土接缝塑性止水材料。
The invention also discloses a method for butt joint by using the unit.
本发明还公开了一种采用该装置进行对接的方法。
The invention has good weld joint molding effect and uniform weld joint reinforcement.
本发明焊缝成型效果好，焊缝余高均匀。
The invention also discloses a manufacturing method of the spherical joint.
本发明还公开了该球形接头的制备方法。
The invention also discloses a manufacturing method of the spherical joint.
本发明还公开了该球形接头的制备方法。
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