不需要回火的淬火操作单一处理的英文

single treating

• 不:    a block of wood
• 需要:    need; want; requir ...
• 回火:    tempering; draw th ...
• 的:    4次方是 The fourth po ...
• 淬火:    quench; quenching; ...
• 操作:    operate; manipulat ...
• 单一:    single; unitary; s ...
• 处理:    deal or cope with