A、<span style="font-size:16px;font-family:宋体">电压 </span>
B、<span style="font-size:16px;font-family:宋体">电流 </span>
C、<span style="font-size:16px;font-family:宋体">电阻值 </span>
D、<span style="font-size:16px;font-family:宋体">温度</span>
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