A、<span style=";font-family:宋体;font-size:16px">电流</span><span style=";font-family:宋体;font-size:16px">III</span><span style=";font-family:宋体;font-size:16px">段</span>
B、<span style=";font-family:宋体;font-size:16px">电流</span><span style=";font-family:宋体;font-size:16px">III</span><span style=";font-family:宋体;font-size:16px">段</span>
C、<span style=";font-family:宋体;font-size:16px">电流</span><span style=";font-family:宋体;font-size:16px">III</span><span style=";font-family:宋体;font-size:16px">段</span></p><p></p>
D、<span style=";font-family:宋体;font-size:16px">均相同</span></p><p></p>