按he= chf cos2 入/按he=07hf hf hf 按e=hosy N入/按=07he=0.7hf 角焊缝的截面形式 a）普通形；b）等边凹形；c）平坡凸形 (a) (b) he=0.7hf hf hf hf hf 按he=0.7hf 斜角角焊缝 按he=0.7hf (c) (a) hf he=0.7hf hf 1.5hf hf α hf hf hf α a）锐角角焊缝；b）钝角角焊缝 (b) 按he=hf cos hf hf α hf hf α α 2 按he=hf cos α 2