该设备配以柔性轨道、刚性直轨道，分别焊接了储罐的弧形拱顶和立缝，取得了满意的效果。
This machine combining respectively with flexible trackway and rigid straight trackway is used to weld the dome and vertical wall of a storage tank, and the result is satisfactory.
目前桥梁拓宽改建中常用的纵缝处理方式有新旧桥梁之间设置纵向断缝、翼缘板刚性连接或铰接。
Setting longitudinal break gaps between the new and the old Bridges and rigid or hinge connected the flange slabs are the usual disposal methods in widen and rebuild Bridges.
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