full hardening

• 全淬硬,淬透

full hardening的用法和样例：

例句

1. Its original heat treament processes were graphitizing annealing,quenching and tempering,then high-frequency hardening.
   同时因齿条形状特殊，高频淬火时易将齿部完全淬透，不能满足用户要求。