回火: tempering; draw the temper; ...硬化: harden; stiffen; stiffening; ...回火硬化镍铝黄铜: temper hardening brasses使回火硬化引申为锻炼: moderate temper justice with mercy回火硬度: tempered-hardness; tempering hardness回火硬度值: temper number粹火硬化: quench hardening淬火硬化: quench hardening; quench-hardening退火硬化: age-harden低温退火硬化: low temperature annealing hardening重复淬火硬化试验: repeated quenching hardening test淬火回火硬度分别为59: cr12mov硬化回火处理: drawing treatment硬化的和回火的: h and回火: 1.(金属的一种热处理工艺) tempering; draw the temper; drawing-back; letting down; drawing (俗称“配火”)2.(氧炔吹管等的火焰向反方向燃烧) flashback; flareback (常引起事故)◇回火爆炸 back draft; 回火处理 [工业] drawing temper; 回火脆性 temper brittleness; 回火度 degree of temper; 回火炉 tempering furnace淬火硬度: as-quenched hardness耐火硬金属: refractory hard metals退火硬度: ammeal hardness硬化: 1.(变硬) harden; stiffen; stiffening; indurascent; ossification; cure; curing 硬化为石 hardened into a rock; 经久硬化 [机械工程] age hardening; 表面硬化 case hardening; 自身硬化 harden by itself; 塑料被注入模子后, 便放在一边让它慢慢凝结硬化。 the plastic was poured into the mold and left to set until it was firm.2.[医学] (组织变硬) sclerosis; hardening 动脉硬化 the hardening of arteries; arteriosclerosis; 血管硬化 vascular sclerosis 最高淬火硬度: maximum quenching hardness氮回火: nitempering电回火: electric tempering; electrotempering过回火: overtempering后回火: post tempering回火, 淬硬: tempering