... test of weld joint 焊接接头试验 hardness test of weld zone 焊接接头硬度试验 weld test specimen 全焊试样 ...
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Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
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