contamination (n)

The electrode's coating protects the weld seam against atmospheric contamination, while the core rod is used as the filler material.

Verunreinigung (f)

Durch die implodierenden Kavitationsblasen werden Verunreinigungen entfernt.

杂质 (n)

污染 (n)

污物 (n)

contaminación (n)

ensuciamiento (n)

impureza (n)