welding rolls meaning in English
焊接辊
焊条辊
Examples
- Technology of endless welding rolling and its potential economic benefits
无头轧制技术及其潜在的经济效益 - Welding of railway vehicles and parts - part 2 : qualification of manufacturer of welded rolling stock materials ; quality assurance
铁路车辆及车辆部件的焊接.第2部分:机车材料焊工资格