This paPer introduces the equipments of double-frequency induction heating the forged steel cold work roller,and compare with the same kind induction heating equipments.

 
  • 介紹鍛鋼冷軋工作輥雙頻感應淬火設備特點(diǎn),國內首創(chuàng )較低的中頻頻率的選定,與同類(lèi)淬火設備比較的優(yōu)點(diǎn)。
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国内精品美女A∨在线播放xuan