buttweld n. 碰焊(对头焊接,平式焊接)
- Even then, seating and gasket faces or buttweld ends can show fine-line cracks that need more upgrading by rewelding and remachining.
即使在这种情况下,阀座和垫圈面或碰焊端可能会显示需要通过重焊和机加工的细线裂缝。
buttweld[ verb ]join by a butt weld<verb.contact> butt-weld
Buttweld \Butt"weld`\, v. t.
To unite by a butt weld.