Ni 207斯米克焊条焊丝
Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊Coppernickel.Weldingandsurfacingofcoppernickelandcoppernickeltosteel.镍铜，用于镍铜、镍铜与钢的焊接与堆焊)