A、<span style=";font-family:宋体;font-size:16px">测量阻抗增大,保护范围减小</span>
B、<span style=";font-family:宋体;font-size:16px">测量阻抗增大,保护范围增大</span>
C、<span style=";font-family:宋体;font-size:16px">测量阻抗减小,保护范围减小</span>
D、<span style="font-family: 宋体;">测量阻抗减小,保护范围增大</span>
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