问题
多项选择题
高压、超高压送电线路采用分裂导线的目的是：（）。
A.增加导线截面
B.减小线路阻抗
C.减小电晕
D.减少线路电能损耗
答案
参考答案：B, C
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高压、超高压送电线路采用分裂导线的目的是：（）。
A.增加导线截面
B.减小线路阻抗
C.减小电晕
D.减少线路电能损耗
参考答案：B, C
| 从方框中选择单词或短语并用其适当形式填空 | |
—They're in the________. 2. I started walking, but I knew I could not gel to the factory _______. 3. —What happened yesterday? —A big noise________me_______ . 4. This morning John_________ and he had to take a taxi to his office. 5. Luckily, my English teacher _________ shared her umbrella with me. |