A、<span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt">30N/mm<sup>2</sup><span style="mso-spacerun: yes"></span><span style="mso-spacerun: yes"></span><span style="mso-spacerun: yes"></span></span>
B、<span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt">36N/mm<sup>2</sup><span style="mso-spacerun: yes"></span><span style="mso-spacerun: yes"></span></span>
C、<span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt">40N/mm<sup>2</sup><span style="mso-spacerun: yes"></span><span style="mso-spacerun: yes"></span><span style="mso-spacerun: yes"></span></span>
D、<span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt">45N/mm<sup>2 </sup></span>
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