请帮忙翻译，焊材方面的
在加拿大 about welding wires for surfacing with resistance against corrosion ,thermal shocks? 评论 about welding wires for surfacing with resistance against corrosion ,thermal shocks 外部焊接线（焊丝）需要耐腐蚀性及热冲击。 供参...华人论坛
在加拿大 about welding wires for surfacing with resistance against corrosion ,thermal shocks? 评论 about welding wires for surfacing with resistance against corrosion ,thermal shocks 外部焊接线（焊丝）需要耐腐蚀性及热冲击。 供参...华人论坛