Furthermo re, the zinc vaporating and oxydizing cause air bubble, incomplete fusion and cr ack.
Furthermo re, the zinc vaporating and oxydizing cause air bubble, incomplete fusion and cr ack.
锌挥发和氧化会导致气孔、未熔合及裂纹。
Furthermo re, the zinc vaporating and oxydizing cause air bubble, incomplete fusion and cr ack.
锌挥发和氧化会导致气孔、未熔合及裂纹。