研究了焊剂碱度对管线钢埋弧焊熔敷金属显微组织和韧性的影响。
The effect of flux basicity on the microstructures and toughness of SAW deposited metals on pipe line was investigated.
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.
对所研制的焊丝匹配烧结焊剂进行了熔敷金属的埋弧焊试验。
Submerged arc welding with the test welding wire matching sintered flux was carried out to get the deposited metal.
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