joint t invention 共同发明
The invention relates to a system and a method for the generation of 3D images of a moving joint (1).
本发明涉及用于生成运动的关节（1）的三维（3D）图像的系统和方 法。
The invention relates to a new process method and device of flash butt welding joint in steel bar continuous connection.
本发明涉及钢筋连续连接中闪光对焊接头的一种新型处理方法和设备。
The invention relates to a special butt joint sleeve for a large breakage anchor bolt and the butt joint method thereof.
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。
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