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water hardening water gauge water deprivation test water cooled furnace body water colour water color painting water color ink water clearance water circulation coefficient water channel water boundary water boat

water hardening
生词本

机械

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  • 1.水冷淬火
  • 2.将合金加热到相变点以上某一温度，保温适当时间，随之在水中急冷。