welding base metal 焊条金属 ; 焊接母体金属
This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.
它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
在合适的激光焊接条件下，热影响区韧性高于母材；
Filler materials: For welding, base metal matching filler materials shall be used.
填充材料：对于焊接，应使用与基材相匹配的填充材料。
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