开始后续焊接前，所有碳弧气刨面区域应接地至洁净明亮的金属。
All carbon arc gouged surface areas shall be ground to clean bright metal prior to subsequent welding.
金属医生是一种脉冲微弧焊接过程，可以用来在小面积范围内实现精密涂层和用来修复高附加值的部件。
Metal Doctor (MD) is a pulsed micro-welding process that is being used increasingly for small scale and precision coating and repair of high value components.
这是埋弧焊，一种常用的焊接方法，它在一小时内熔敷的金属量可以等于操作者本身的重量。
This is the submerged arc welding, a commonly used welding method that can in an hour deposit weld metal equal in weight to that of the operator himself.
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