double pitch
双面坡口 double groove
双面坡口焊缝 double groove weld
双面坡的 [木] double pitched
双面坡口对接焊 open-double-bevel butt weld
双面坡口接头 double groove joint
双面坡口对接头 double groove butt joint
双面V形坡口 combination bevel V groove
双坡屋面 gable roof
双面V形坡口焊缝 double-Vee groove weld
双面斜坡口 double bevel groove
节点中的焊接宜采用完全焊透的坡口对接焊缝连接，当采用双面角焊缝连接时，可按等强设计。
And the welding connecting of them are advised to use slope butt weld that are fully welded, but when the double-sided fillet weld is used, they should be design on equal strength.
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