A、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">低温回火</span>
B、中温回火
C、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高温回火</span>
D、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">调质</span><span style="mso-bidi-font-weight: bold"> <span lang="EN-US"><p></p></span></span>
A、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'">低温回火</span>
C、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'">高温回火</span>
D、<span style="FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'">调质</span><span style="mso-bidi-font-weight: bold"> <span lang="EN-US"><p></p></span></span>