包括采用陶瓷电加热器加热的局部热处理和采用热处理炉处理的整体热处理；条件适合的情况下优先采用整体热处理。
Partial heat treatment in adoption of electric ceramic heater & overall heat treatment in heating treatment oven are included; and, overall heat treatment is recommended if the conditions permit.
包括采用陶瓷电加热器加热的局部热处理和采用热处理炉处理的整体热处理；条件适合的情况下优先采用整体热处理。
Partial heat treatment in adoption of electric ceramic heater & overall heat treatment in heating treatment oven are included; and, overall heat treatment is recommended if the conditions permit.
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