Pretreatment, bluing and post treatment of this process were introduced.
介绍了前处理、发蓝及后处理工序。
The temper condition is a post process, meaning that a post-weld, heat treatment is applied.
脾气条件是该职位的过程，这意味着焊后，热处理应用。
The invention reduces post treatment process, is economical and has high efficiency.
本发明减少了后处理工序，经济高效。
The invention reduces post treatment process, is economical and has high efficiency.
本发明减少了后处理工序，经济高效。
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