A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">±</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">20 </span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">±</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">15</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">±</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">10 </span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">±</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">5</span>
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