利用微机检测焊接电流和时间，运用统计方法获得在不同焊接电流区间的焊接时间，间接给出焊接接头组织性能的状态。
By a method of recording of welding currents and time, the information of joint microstructure and properties can be gained according to the welding time with different currents.
对EH40船板钢埋弧焊焊接接头的组织性能进行了试验分析。
The microstructure and properties of welded joint of EH40 grade ship steel plate by submerged-arc welding process were analyzed.
采用不同的点焊工艺参数对高强度钢板BIF 340实施焊接，并对焊接接头进行组织性能分析，研究点焊参数对BIF 340焊接性能的影响。
We welded the high strength steel BIF340 in different spot welding processing parameters, the structure and property of the welding joint are analyzed.
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