A.MH5-6 B.MH6-6 C.MH8-6 D.MH10-6
A.MH6-6 B.MH8-6 C.MH10-6 D.MH12-6
A.配合孔堵孔 B.焊點(diǎn)飛濺 C.焊接毛刺 D.焊接裂紋