不定分段焊接法 wandering block method
船段焊接法 ship block method
级进分段焊接法 progressive block method ; progressive block welding method
后向分段焊接 step-back welding
逆向分段焊接 step-back welding
管段间焊接 tie-in weld
焊接工段检验员 welding inspector
级进分段焊接顺序 progressive block welding sequence
分段焊接法 block welding sequence
船[体分]段焊接法 ship block method
在这一阶段，如果存在问题，可以很容易地改造焊接的连接点。
At this stage, it's easy to remake a solder connection if there is a problem.
第三阶段是关于金属梁系统的定位和焊接。
The third phase relates to the positioning and soldering of the metallic beams system.
三跨的人行桥的桥面为钢结构，总共三段，每段分开焊接制作，通过螺栓连接。
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.
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