... 焊关饷格核定checking elder certificate 根焊root bead 烧焊工艺规程elding procedure specification ...
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同时也介绍了该设备在管道根焊和高效焊接方面的应用。
Also, the application of the new machine in pipeline root welding is introduced.
管道全位置自动内焊机适用于大口径管道焊接施工过程中组对管口、完成根焊。
Pipeline inner loop welder is applicable for big-caliber pipeline welding in construction procedure to joint the ends of pipes and fulfill roots welding.
在工艺研究中，重点应放在焊缝成型、焊缝力学性能及单面焊双面成形根焊三个方面。
In technology research focal point should put in weld become type, weld mechanics performance and single surface weld two-sided shape root weld 3 aspects.
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