A.熱裂紋 B.冷裂紋 C.應(yīng)力腐蝕裂紋 D.消除應(yīng)力裂紋
A.焊趾裂紋 B.焊根裂紋 C.焊縫裂紋 D.焊道下裂紋
A.冷裂 B.熱裂 C.消除應(yīng)力裂紋 D.應(yīng)力腐蝕裂紋