... hardened oil ==> 硬化油 hardened plate ==> 淬硬钢板 hardened resin ==> 硬树脂 ...
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结果表明：对于碳含量有差异的钢板，其显微组织、晶粒度及夹杂物等级均属正常，焊缝中未发现淬硬组织；
The obtained results indicate that the microstructure, grain-size and inclusion level of said steel plates were normal, hardened structure induced from quench had not been found;
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