jump weld

T型管焊接,T... ... ) directly welded T type RHS joints 直接焊接T形方管节点 ) jump weld T形焊接 ) T-shaped seam T型管焊接 ...

T形接头,T... ... ) joint T 形接头T ) jump weld T形焊接头 ) inclined T joint 斜T形接头 ...