surface hardening technology 基本例句 表面强化技术 For remanufacturing of shaft components, a used shaft is used as a work-piece and repaired and modified with advanced surface strengthening technology to realize regeneration.轴类零件的再制造是以废旧的轴为毛坯，采用先进的表面强化技术等修复或改造废旧的轴，使之获得再生。