The welding rod has good wearing resistance and needn't warm before welding, which may be used to the surfacing of the roller.
该焊条耐磨性能好，焊前不预热，可用于轧辊的堆焊。
The welding rod has good wearing resistance and needn't warm before welding, which may be used to the surfacing of the roller.
该焊条耐磨性能好，焊前不预热，可用于轧辊的堆焊。
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