solution of tri-nitrate in water
...对焊丝锥；三硝水溶液；整体淬火 [gap=1017]Key words: high speed steel; butt welded tap; solution of tri-nitrate in water; integral quenching ...
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solution of tri-nitrate in water
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参考来源 - 对焊高速钢丝锥的三硝水溶液整体淬火 Whole Quenching in Solution of Tri
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